Texas-instruments TI-84 User Manual

TI-84 PlusTI-84 Plus Silver EditionGuidebook

Chapter 1: Operating the TI-84 Plus Silver Edition 7When to Replace BatteriesWhen to Replace BatteriesWhen to Replace BatteriesWhen to Replace Batter

Chapter 3: Function Graphing 97Defining or Editing a FunctionDefining or Editing a FunctionDefining or Editing a FunctionDefining or Editing a Functi

Chapter 3: Function Graphing 98Defining a Function from the Home Screen or a ProgramDefining a Function from the Home Screen or a ProgramDefining a F

Chapter 3: Function Graphing 99Yn(value)Yn({value1,value2,value3, . . .,value n}) Selecting and Deselecting FunctionsSelecting and Deselecting Functi

Chapter 3: Function Graphing 100Turning On or Turning Off a Stat Plot in the Y= EditorTurning On or Turning Off a Stat Plot in the Y= EditorTurning O

Chapter 3: Function Graphing 101• To turn on or turn off all functions, do not enter a number after FnOn or FnOff.FnOn[function#,function#, . . .,fun

Chapter 3: Function Graphing 102Note: Some graph styles are not available in all graphing modes. Chapters 4, 5, and 6 list the styles for Par, Pol, a

Chapter 3: Function Graphing 1035. Press ~, }, or † when you have selected a style.Shading Above and BelowShading Above and BelowShading Above and Be

Chapter 3: Function Graphing 104Note: When é or ê is selected for a Y= function that graphs a family of curves, such as Y1={1,2,3}X, the four shading

Chapter 3: Function Graphing 105Setting the Viewing Window VariablesSetting the Viewing Window VariablesSetting the Viewing Window VariablesSetting t

Chapter 3: Function Graphing 106Note: Small Xres values improve graph resolution but may cause the TI-84 Plus to draw graphs more slowly.Changing a W

Chapter 1: Operating the TI-84 Plus Silver Edition 8Displaying Entries and AnswersDisplaying Entries and AnswersDisplaying Entries and AnswersDisplay

Chapter 3: Function Graphing 107• Press ~ ~ to display the Seq window variables (U/V/W secondary menu).5. Select the window variable to which you wan

Chapter 3: Function Graphing 108Setting the Graph FormatSetting the Graph FormatSetting the Graph FormatSetting the Graph FormatDisplaying the Format

Chapter 3: Function Graphing 109RectGC, PolarGCRectGC, PolarGCRectGC, PolarGCRectGC, PolarGCRectGC (rectangular graphing coordinates) displays the cu

Chapter 3: Function Graphing 110GridOn displays grid points.AxesOn, AxesOffAxesOn, AxesOffAxesOn, AxesOffAxesOn, AxesOffAxesOn displays the axes.Axes

Chapter 3: Function Graphing 111Displaying GraphsDisplaying GraphsDisplaying GraphsDisplaying GraphsDisplaying a New GraphDisplaying a New GraphDispl

Chapter 3: Function Graphing 112• Changed the value of a variable in a selected function• Changed a window variable or graph format setting• Cleared

Chapter 3: Function Graphing 113{2,4,6}sin(X) graphs three functions: 2 sin(X), 4 sin(X), and 6sin(X). {2,4,6}sin({1,2,3}X) graphs 2sin(X), 4sin(2X),

Chapter 3: Function Graphing 114As you move the cursor around the graph, the coordinate values of the cursor location are displayed at the bottom of

Chapter 3: Function Graphing 115Exploring Graphs with TRACEExploring Graphs with TRACEExploring Graphs with TRACEExploring Graphs with TRACEBeginning

Chapter 3: Function Graphing 116If you move the trace cursor beyond the top or bottom of the screen, the coordinate values at the bottom of the scree

Chapter 1: Operating the TI-84 Plus Silver Edition 9Busy IndicatorBusy IndicatorBusy IndicatorBusy IndicatorWhen the TI-84 Plus is calculating or gra

Chapter 3: Function Graphing 117value must be valid for the current viewing window. When you have completed the entry, press Í to move the cursor.Not

Chapter 3: Function Graphing 118Using TRACE in a ProgramUsing TRACE in a ProgramUsing TRACE in a ProgramUsing TRACE in a ProgramOn a blank line in th

Chapter 3: Function Graphing 119Zoom CursorZoom CursorZoom CursorZoom CursorWhen you select 1:ZBox, 2:Zoom In, or 3:Zoom Out, the cursor on the graph

Chapter 3: Function Graphing 1204. When you have defined the box, press Í to replot the graph.To use ZBox to define another box within the new graph,

Chapter 3: Function Graphing 121• To zoom in at the same point, press Í.• To zoom in at a new point, move the cursor to the point that you want as th

Chapter 3: Function Graphing 122ZStandardZStandardZStandardZStandardZStandard replots the functions immediately. It updates the window variables to t

Chapter 3: Function Graphing 123ZoomStatZoomStatZoomStatZoomStatZoomStat redefines the viewing window so that all statistical data points are display

Chapter 3: Function Graphing 124ZPreviousZPreviousZPreviousZPreviousZPrevious replots the graph using the window variables of the graph that was disp

Chapter 3: Function Graphing 125Checking XFact and YFactChecking XFact and YFactChecking XFact and YFactChecking XFact and YFactTo display the ZOOM F

Chapter 3: Function Graphing 126Using the CALC (Calculate) OperationsUsing the CALC (Calculate) OperationsUsing the CALC (Calculate) OperationsUsing

Chapter 1: Operating the TI-84 Plus Silver Edition 10Interchangeable FaceplatesInterchangeable FaceplatesInterchangeable FaceplatesInterchangeable Fa

Chapter 3: Function Graphing 1271. Select 1:value from the CALCULATE menu. The graph is displayed with X= in the bottom-left corner.2. Enter a real v

Chapter 3: Function Graphing 1281. Select 2:zero from the CALCULATE menu. The current graph is displayed with Left Bound? in the bottom-left corner.2

Chapter 3: Function Graphing 129minimum, maximumminimum, maximumminimum, maximumminimum, maximumminimum and maximum find a minimum or maximum of a fu

Chapter 3: Function Graphing 1302. Press † or }, if necessary, to move the cursor to the first function, and then press Í. Second curve? is displayed

Chapter 3: Function Graphing 1313. Press | or ~ (or enter a value) to select the X value at which to calculate the derivative, and then press Í.The c

Chapter 3: Function Graphing 1323. Set lower and upper limits as you would set left and right bounds for zero. The integral value is displayed, and t

Chapter 4: Parametric Graphing 133Chapter 4:Chapter 4:Chapter 4:Chapter 4:Parametric GraphingParametric GraphingParametric GraphingParametric Graphin

Chapter 4: Parametric Graphing 1341. Press z. Press †††~Í to select Par mode. Press ††~Í to select Simul for simultaneous graphing of all three param

Chapter 4: Parametric Graphing 135The horizontal component vector is defined by X3T and Y3T.6. Press  ~ 2, and then press 1 Í to define X3T. Press 0

Chapter 4: Parametric Graphing 136Defining and Displaying Parametric GraphsDefining and Displaying Parametric GraphsDefining and Displaying Parametri

Chapter 1: Operating the TI-84 Plus Silver Edition 11Installing New FaceplatesInstalling New FaceplatesInstalling New FaceplatesInstalling New Facepl

Chapter 4: Parametric Graphing 137Setting Parametric Graphing ModeSetting Parametric Graphing ModeSetting Parametric Graphing ModeSetting Parametric

Chapter 4: Parametric Graphing 138Defining and Editing Parametric EquationsDefining and Editing Parametric EquationsDefining and Editing Parametric E

Chapter 4: Parametric Graphing 139Setting Window VariablesSetting Window VariablesSetting Window VariablesSetting Window VariablesTo display the wind

Chapter 4: Parametric Graphing 140Displaying a GraphDisplaying a GraphDisplaying a GraphDisplaying a GraphWhen you press s, the TI-84 Plus plots the

Chapter 4: Parametric Graphing 141• Select or deselect parametric equations.• Store values directly to window variables.Exploring Parametric GraphsEx

Chapter 4: Parametric Graphing 142cursor is on the first selected function at Tmin. If ExprOn is selected, then the function is displayed.In RectGC f

Chapter 4: Parametric Graphing 143ZOOMZOOMZOOMZOOMZOOM operations in Par graphing work the same as in Func graphing. Only the X (Xmin, Xmax, and Xscl

Chapter 5: Polar Graphing 144Chapter 5:Chapter 5:Chapter 5:Chapter 5:Polar GraphingPolar GraphingPolar GraphingPolar GraphingGetting Started: Polar R

Chapter 5: Polar Graphing 145Defining and Displaying Polar GraphsDefining and Displaying Polar GraphsDefining and Displaying Polar GraphsDefining and

Chapter 5: Polar Graphing 146Setting Polar Graphing ModeSetting Polar Graphing ModeSetting Polar Graphing ModeSetting Polar Graphing ModeTo display t

Chapter 1: Operating the TI-84 Plus Silver Edition 12Displaying the Clock SettingsDisplaying the Clock SettingsDisplaying the Clock SettingsDisplayin

Chapter 5: Polar Graphing 147Defining and Editing Polar EquationsDefining and Editing Polar EquationsDefining and Editing Polar EquationsDefining and

Chapter 5: Polar Graphing 148Note: To ensure that sufficient points are plotted, you may want to change the q window variables.Setting the Graph Form

Chapter 5: Polar Graphing 149Window Variables and Window Variables and Window Variables and Window Variables and YYYY...VARSVARSVARSVARS Menus Menus

Chapter 5: Polar Graphing 150Exploring Polar GraphsExploring Polar GraphsExploring Polar GraphsExploring Polar GraphsFree-Moving CursorFree-Moving Cu

Chapter 5: Polar Graphing 151Moving the Trace Cursor to Any Valid Theta ValueMoving the Trace Cursor to Any Valid Theta ValueMoving the Trace Cursor

Chapter 6: Sequence Graphing 152Chapter 6:Chapter 6:Chapter 6:Chapter 6:Sequence GraphingSequence GraphingSequence GraphingSequence GraphingGetting S

Chapter 6: Sequence Graphing 1533. Press o. If the graph-style icon is not ç (dot), press ||, press Í until ç is displayed, and then press ~~.4. Pres

Chapter 6: Sequence Graphing 154Defining and Displaying Sequence GraphsDefining and Displaying Sequence GraphsDefining and Displaying Sequence Graphs

Chapter 6: Sequence Graphing 155• The previous term or the term that precedes the previous term in another sequence function, such as u(nN1) or u(nN2

Chapter 6: Sequence Graphing 156Selecting Graph StylesSelecting Graph StylesSelecting Graph StylesSelecting Graph StylesThe icons to the left of u(n)

Chapter 1: Operating the TI-84 Plus Silver Edition 13Error MessagesError MessagesError MessagesError MessagesTurning the Clock OnTurning the Clock On

Chapter 6: Sequence Graphing 157• To enter the function name u, press y [u] (above ¬).• To enter the function name v, press y [v] (above −).• To ente

Chapter 6: Sequence Graphing 158Recursive SequencesRecursive SequencesRecursive SequencesRecursive SequencesIn a recursive sequence, the nth term in

Chapter 6: Sequence Graphing 159Enter the initial values as a list enclosed in braces ({ }) with commas separating the values.The value of the first

Chapter 6: Sequence Graphing 160nMin must be an integer | 0. nMax, PlotStart, and PlotStep must be integers | 1.nMin is the smallest n value to evalu

Chapter 6: Sequence Graphing 161Selecting Axes CombinationsSelecting Axes CombinationsSelecting Axes CombinationsSelecting Axes CombinationsSetting t

Chapter 6: Sequence Graphing 162Displaying a Sequence GraphDisplaying a Sequence GraphDisplaying a Sequence GraphDisplaying a Sequence GraphTo plot t

Chapter 6: Sequence Graphing 163When Time, uv, vw, or uw axes format is selected, TRACE moves the cursor along the sequence one PlotStep increment at

Chapter 6: Sequence Graphing 164value must be valid for the current viewing window. When you have completed the entry, press Í to move the cursor.ZOO

Chapter 6: Sequence Graphing 165• When uv, vw, or uw axes format is selected, value displays X and Y according to the axes format setting. For exampl

Chapter 6: Sequence Graphing 166Valid Functions for Web PlotsValid Functions for Web PlotsValid Functions for Web PlotsValid Functions for Web PlotsW

Chapter 1: Operating the TI-84 Plus Silver Edition 14Using the Mode Screen to turn the clock onUsing the Catalog to turn the clock onTurning the Cloc

Chapter 6: Sequence Graphing 1672. It moves vertically (up or down) to the sequence.3. It moves horizontally to the y=x reference line.4. It repeats

Chapter 6: Sequence Graphing 1685. Press y . and select the Web axes setting.6. Press p and change the variables below.7. Press s to graph the sequen

Chapter 6: Sequence Graphing 169Graphing Phase PlotsGraphing Phase PlotsGraphing Phase PlotsGraphing Phase PlotsGraphing with uv, vw, and uwGraphing

Chapter 6: Sequence Graphing 1701. Press o in Seq mode to display the sequence Y= editor. Define the sequences and initial values for Rn and Wn as sh

Chapter 6: Sequence Graphing 1713. Press p and set the variables as shown below.4. Press s to graph the sequence.5. Press r ~ to individually trace t

Chapter 6: Sequence Graphing 1727. Press p and change these variables as shown below.8. Press r. Trace both the number of rabbits (X) and the number

Chapter 6: Sequence Graphing 173Keystroke Differences Between TI-84 Plus Keystroke Differences Between TI-84 Plus Keystroke Differences Between TI-84

Chapter 6: Sequence Graphing 174v(n) / Vny [v]£ „ ¤y ó ¶¦Áw(n)y [w]£ „ ¤not availableu(nN1) / UnN1 y [u]£ „ ¹ À ¤y õv(nN1) / VnN1 y [v]£ „ ¹ À ¤y öw(

Chapter 7: Tables 175Chapter 7:Chapter 7:Chapter 7:Chapter 7:TablesTablesTablesTablesGetting Started: Roots of a FunctionGetting Started: Roots of a

Chapter 7: Tables 176Setting Up the TableSetting Up the TableSetting Up the TableSetting Up the TableTABLE SETUP ScreenTABLE SETUP ScreenTABLE SETUP

Chapter 1: Operating the TI-84 Plus Silver Edition 15Entering Expressions and InstructionsEntering Expressions and InstructionsEntering Expressions a

Chapter 7: Tables 177TblStart, TblStart, TblStart, TblStart, @TblTblTblTblTblStart (table start) defines the initial value for the independent variab

Chapter 7: Tables 178Setting Up the Table from the Home Screen or a ProgramSetting Up the Table from the Home Screen or a ProgramSetting Up the Table

Chapter 7: Tables 1793. Press Í. The cursor moves to the bottom line. Edit the function.4. Press Í or †. The new values are calculated. The table and

Chapter 7: Tables 180Displaying the TableDisplaying the TableDisplaying the TableDisplaying the TableThe TableThe TableThe TableThe TableTo display t

Chapter 7: Tables 181variable X and the dependent variables Y1 and Y2 are displayed because Func graphing mode is set.Clearing the Table from the Hom

Chapter 7: Tables 182values also are displayed. All dependent-variable values may not be displayed if Depend: Ask is selected.Note: You can scroll ba

Chapter 7: Tables 183Note: To simultaneously display two dependent variables on the table that are not defined as consecutive Y= functions, go to the

Chapter 8: Draw Instructions 184Chapter 8:Chapter 8:Chapter 8:Chapter 8:Draw InstructionsDraw InstructionsDraw InstructionsDraw InstructionsGetting S

Chapter 8: Draw Instructions 1853. Press y< 5 to select 5:Tangent(. The tangent instruction is initiated.4. Press y C 2 ¤ ¥ 2.5. Press Í. The tang

Chapter 8: Draw Instructions 186Using the Using the Using the Using the DRAWDRAWDRAWDRAW Menu Menu Menu MenuDRAW MenuDRAW MenuDRAW MenuDRAW MenuTo di

Chapter 1: Operating the TI-84 Plus Silver Edition 16Calculate 3.76 P (L7.9 + ‡5) + 2 log 45.Multiple Entries on a LineMultiple Entries on a LineMult

Chapter 8: Draw Instructions 187Before Drawing on a GraphBefore Drawing on a GraphBefore Drawing on a GraphBefore Drawing on a GraphThe DRAW instruct

Chapter 8: Draw Instructions 188Clearing DrawingsClearing DrawingsClearing DrawingsClearing DrawingsClearing Drawings When a Graph Is DisplayedCleari

Chapter 8: Draw Instructions 189Drawing Line SegmentsDrawing Line SegmentsDrawing Line SegmentsDrawing Line SegmentsDrawing a Line Segment Directly o

Chapter 8: Draw Instructions 190Line(X1,Y1,X2,Y2)To erase a line segment, enter Line(X1,Y1,X2,Y2,0)Drawing Horizontal and Vertical LinesDrawing Horiz

Chapter 8: Draw Instructions 1913. Press Í to draw the line on the graph.To continue drawing lines, repeat steps 2 and 3.To cancel Horizontal or Vert

Chapter 8: Draw Instructions 192Drawing Tangent LinesDrawing Tangent LinesDrawing Tangent LinesDrawing Tangent LinesDrawing a Tangent Line Directly o

Chapter 8: Draw Instructions 193Note: Change the fixed decimal setting on the mode screen if you want to see fewer digits displayed for X and the equ

Chapter 8: Draw Instructions 194Drawing Functions and InversesDrawing Functions and InversesDrawing Functions and InversesDrawing Functions and Inver

Chapter 8: Draw Instructions 195DrawInv expressionNote: You cannot use a list in expression to draw a family of curves.Shading Areas on a GraphShadin

Chapter 8: Draw Instructions 196pattern specifies one of four shading patterns.patres specifies one of eight shading resolutions.Shade(lowerfunc,uppe

iiImportant InformationImportant InformationImportant InformationImportant InformationTexas Instruments makes no warranty, either express or implied,

Chapter 1: Operating the TI-84 Plus Silver Edition 17When you enter a number in scientific notation, the TI-84 Plus does not automatically display an

Chapter 8: Draw Instructions 197Drawing CirclesDrawing CirclesDrawing CirclesDrawing CirclesDrawing a Circle Directly on a GraphDrawing a Circle Dire

Chapter 8: Draw Instructions 198Circle(X,Y,radius)Note: When you use Circle( on the home screen or from a program, the current window values may dist

Chapter 8: Draw Instructions 199Placing Text on a Graph from the Home Screen or a ProgramPlacing Text on a Graph from the Home Screen or a ProgramPla

Chapter 8: Draw Instructions 200Using Pen to Draw on a GraphUsing Pen to Draw on a GraphUsing Pen to Draw on a GraphUsing Pen to Draw on a GraphUsing

Chapter 8: Draw Instructions 201Drawing Points on a GraphDrawing Points on a GraphDrawing Points on a GraphDrawing Points on a GraphDRAW POINTS MenuD

Chapter 8: Draw Instructions 202To continue drawing points, repeat steps 2 and 3. To cancel Pt-On(, press ‘.Erasing Points with Erasing Points with E

Chapter 8: Draw Instructions 203Drawing Points from the Home Screen or a ProgramDrawing Points from the Home Screen or a ProgramDrawing Points from t

Chapter 8: Draw Instructions 204Turning On and Off Pixels with Turning On and Off Pixels with Turning On and Off Pixels with Turning On and Off Pixel

Chapter 8: Draw Instructions 205Split ScreenSplit ScreenSplit ScreenSplit ScreenOn a Horiz split screen, the maximum value for row is 30 for Pxl-On(,

Chapter 8: Draw Instructions 206Storing a Graph PictureStoring a Graph PictureStoring a Graph PictureStoring a Graph PictureYou can store up to 10 gr

Chapter 1: Operating the TI-84 Plus Silver Edition 18When you interrupt a graph, a partial graph is displayed.• To return to the home screen, press ‘

Chapter 8: Draw Instructions 2071. Select 2:RecallPic from the DRAW STO menu. RecallPic is pasted to the current cursor location.2. Enter the number

Chapter 8: Draw Instructions 208A GDB stores five elements of a graph.• Graphing mode• Window variables• Format settings• All functions in the Y= edi

Chapter 8: Draw Instructions 209Recalling Graph Databases (GDB)Recalling Graph Databases (GDB)Recalling Graph Databases (GDB)Recalling Graph Database

Chapter 8: Draw Instructions 210

Chapter 9: Split Screen 211Chapter 9: Chapter 9: Chapter 9: Chapter 9: Split ScreenSplit ScreenSplit ScreenSplit ScreenGetting Started: Exploring the

Chapter 9: Split Screen 2123. Press o to display the Y= editor for Par graphing mode. Press ™ „ ¤ Í to store cos(T) to X1T. Press ÷ ˜ „ ¤ Í to store

Chapter 9: Split Screen 213Using Split ScreenUsing Split ScreenUsing Split ScreenUsing Split ScreenSetting a Split-Screen ModeSetting a Split-Screen

Chapter 9: Split Screen 214If stat plots are turned on, the plots are shown along with the x-y plots in graphs. Press y 0 to make the table portion o

Chapter 9: Split Screen 215Horiz (Horizontal) Split ScreenHoriz (Horizontal) Split ScreenHoriz (Horizontal) Split ScreenHoriz (Horizontal) Split Scre

Chapter 9: Split Screen 216• Press s or r.• Select a ZOOM or CALC operation.To use the bottom half of the split screen:• Press any key or key combina

Chapter 1: Operating the TI-84 Plus Silver Edition 19Setting ModesSetting ModesSetting ModesSetting ModesChecking Mode SettingsChecking Mode Settings

Chapter 9: Split Screen 217The left half displays all active graphs and plots.The right half displays either table data corresponding to the graph at

Chapter 9: Split Screen 218Note: When you trace in Par graphing mode, both components of an equation (XnT and YnT) are displayed in the two columns o

Chapter 9: Split Screen 219Note: Each set of numbers in parentheses above represents the row and column of a corner pixel, which is turned on.DRAW PO

Chapter 9: Split Screen 220Output(row,column,"text")Note: The Output( instruction can only be used within a program.Setting a Split-Screen

Chapter 10: Matrices 221Chapter 10:Chapter 10:Chapter 10:Chapter 10:MatricesMatricesMatricesMatricesGetting Started: Systems of Linear EquationsGetti

Chapter 10: Matrices 222Defining a MatrixDefining a MatrixDefining a MatrixDefining a MatrixWhat Is a Matrix?What Is a Matrix?What Is a Matrix?What I

Chapter 10: Matrices 223Selecting a MatrixSelecting a MatrixSelecting a MatrixSelecting a MatrixBefore you can define or display a matrix in the edit

Chapter 10: Matrices 224The cursor moves to the column dimension, which you must accept or change the same way you accepted or changed the row dimens

Chapter 10: Matrices 225Deleting a MatrixDeleting a MatrixDeleting a MatrixDeleting a MatrixTo delete matrices from memory, use the MEMORY MANAGEMENT

Chapter 10: Matrices 226Editing a Matrix ElementEditing a Matrix ElementEditing a Matrix ElementEditing a Matrix ElementIn editing context, an edit c

Chapter 1: Operating the TI-84 Plus Silver Edition 20To display the mode settings, press z. The current settings are highlighted. Defaults are highli

Chapter 10: Matrices 2275. Press Í, }, or † to move to another element.Editing-Context KeysEditing-Context KeysEditing-Context KeysEditing-Context Ke

Chapter 10: Matrices 228Using Matrices with ExpressionsUsing Matrices with ExpressionsUsing Matrices with ExpressionsUsing Matrices with ExpressionsU

Chapter 10: Matrices 2296. Press y [ ] ] to indicate the end of the matrix.Note: The closing ]] are not necessary at the end of an expression or prec

Chapter 10: Matrices 230Copying One Matrix to AnotherCopying One Matrix to AnotherCopying One Matrix to AnotherCopying One Matrix to AnotherTo copy a

Chapter 10: Matrices 231[matrix](row,column)Using Math Functions with MatricesUsing Math Functions with MatricesUsing Math Functions with MatricesUsi

Chapter 10: Matrices 232matrixA…matrixBMultiplying a matrix by a value or a value by a matrix returns a matrix in which each element of matrix is mul

Chapter 10: Matrices 233abs(abs(abs(abs(abs( (absolute value, MATH NUM menu) returns a matrix containing the absolute value of each element of matrix

Chapter 10: Matrices 234matrixL1PowersPowersPowersPowersTo raise a matrix to a power, matrix must be square. You can use 2(¡), 3(MATH menu), or ^powe

Chapter 10: Matrices 235matrixA=matrixB returns 1 if every comparison is true; it returns 0 if any comparison is false.matrixAƒmatrixB returns 1 if a

Chapter 10: Matrices 236iPart(matrix)fPart(matrix)int(matrix)Using the Using the Using the Using the MATRX MATHMATRX MATHMATRX MATHMATRX MATH Operati

Chapter 1: Operating the TI-84 Plus Silver Edition 21Setting a Mode from a ProgramSetting a Mode from a ProgramSetting a Mode from a ProgramSetting a

Chapter 10: Matrices 237det(det(det(det(det( (determinant) returns the determinant (a real number) of a square matrix. det(matrix)TransposeTransposeT

Chapter 10: Matrices 238matrixTAccessing Matrix Dimensions with Accessing Matrix Dimensions with Accessing Matrix Dimensions with Accessing Matrix Di

Chapter 10: Matrices 239RedimensioningRedimensioningRedimensioningRedimensioning a Matrix with a Matrix with a Matrix with a Matrix with dim(dim(d

Chapter 10: Matrices 240identity(dimension)randM(randM(randM(randM(randM( (create random matrix) returns a rows × columns random matrix of integers ‚

Chapter 10: Matrices 241Matr4list( (matrix stored to list) fills each listname with elements from each column in matrix. Matr4list( ignores extra lis

Chapter 10: Matrices 242List4matr(listA,...,list n,matrixname)cumSum(cumSum(cumSum(cumSum(cumSum( returns cumulative sums of the elements in matrix,

Chapter 10: Matrices 243ref(, rref(ref(, rref(ref(, rref(ref(, rref(ref( (row-echelon form) returns the row-echelon form of a real matrix. The number

Chapter 10: Matrices 244row+(row+(row+(row+(row+( (row addition) returns a matrix. It adds rowA and rowB of matrix and stores the results in rowB. ro

Chapter 10: Matrices 245…row+(value,matrix,rowA,rowB)

Chapter 11: Lists 246Chapter 11:Chapter 11:Chapter 11:Chapter 11:ListsListsListsListsGetting Started: Generating a SequenceGetting Started: Generatin

Chapter 1: Operating the TI-84 Plus Silver Edition 22Float, 0123456789Float, 0123456789Float, 0123456789Float, 0123456789Float (floating) decimal mod

Chapter 11: Lists 247Naming ListsNaming ListsNaming ListsNaming ListsUsing TI-84 Plus List Names LUsing TI-84 Plus List Names LUsing TI-84 Plus List

Chapter 11: Lists 248Creating a List Name on the Home ScreenCreating a List Name on the Home ScreenCreating a List Name on the Home ScreenCreating a

Chapter 11: Lists 249•At an Xlist:, Ylist:, or Data List: prompt in the stat plot editor•At a List:, List1:, List2:, Freq:, Freq1:, Freq2:, XList:, o

Chapter 11: Lists 250Displaying a List on the Home ScreenDisplaying a List on the Home ScreenDisplaying a List on the Home ScreenDisplaying a List on

Chapter 11: Lists 251Deleting a List from MemoryDeleting a List from MemoryDeleting a List from MemoryDeleting a List from MemoryTo delete lists from

Chapter 11: Lists 252Note: From the top of a menu, press } to move to the bottom. From the bottom, press † to move to the top. When you select a list

Chapter 11: Lists 2532. Select B:Ù, which pastes Ù to the current cursor location. Ù is not always necessary.3. Enter the characters that comprise th

Chapter 11: Lists 254For example, the first screen below shows that elements are stored to L3, and the formula L3+10 is attached to the list name ÙAD

Chapter 11: Lists 255Attaching a Formula to a List on the Home Screen or in a ProgramAttaching a Formula to a List on the Home Screen or in a Program

Chapter 11: Lists 256Detaching a Formula from a ListDetaching a Formula from a ListDetaching a Formula from a ListDetaching a Formula from a ListYou

Chapter 1: Operating the TI-84 Plus Silver Edition 23Func, Par, Pol, SeqFunc, Par, Pol, SeqFunc, Par, Pol, SeqFunc, Par, Pol, SeqGraphing modes defin

Chapter 11: Lists 257• Use y K to recall the contents of the list into an expression at the cursor location (Chapter 1).Note: You must paste user-cre

Chapter 11: Lists 258• When you use a list and a value with a two-argument function, the value is used with each element in the list.LIST OPS MenuLIS

Chapter 11: Lists 259SortA(, SortD(SortA(, SortD(SortA(, SortD(SortA(, SortD(SortA( (sort ascending) sorts list elements from low to high values. Sor

Chapter 11: Lists 260SortA(keylistname,dependlist1[,dependlist2,...,dependlist n])SortD(keylistname,dependlist1[,dependlist2,...,dependlist n])Note:

Chapter 11: Lists 261Using dim( to Create a ListUsing dim( to Create a ListUsing dim( to Create a ListUsing dim( to Create a ListYou can use dim( wit

Chapter 11: Lists 262Fill(Fill(Fill(Fill(Fill( replaces each element in listname with value.Fill(value,listname)Note: dim( and Fill( are the same as

Chapter 11: Lists 263cumSum(cumSum(cumSum(cumSum(cumSum( (cumulative sum) returns the cumulative sums of the elements in list, starting with the firs

Chapter 11: Lists 264example, you can use Select( to select and then analyze a portion of plotted CBL 2™/CBL™ or CBR™ data.Select(xlistname,ylistname

Chapter 11: Lists 2652. Enter xlistname, press ¢, enter ylistname, and then press ¤ to designate list names into which you want the selected data to

Chapter 11: Lists 2667. Press | or ~ to move the cursor to the stat plot point that you want for the right bound, and then press Í.The x-values and y

Chapter 1: Operating the TI-84 Plus Silver Edition 24Note: Regardless of which graphing mode is selected, the TI-84 Plus will sequentially graph all

Chapter 11: Lists 267augment(augment(augment(augment(augment( concatenates the elements of listA and listB. The list elements can be real or complex

Chapter 11: Lists 268Matr4list( (matrix stored to lists) fills each listname with elements from each column in matrix. If the number of listname argu

Chapter 11: Lists 269Generally, Ù must precede a user-created list name when you enter a user-created list name where other input is valid, for examp

Chapter 11: Lists 270min(, max(min(, max(min(, max(min(, max(min( (minimum) and max( (maximum) return the smallest or largest element of listA. If tw

Chapter 11: Lists 271sum(, prod(sum(, prod(sum(, prod(sum(, prod(sum( (summation) returns the sum of the elements in list. start and end are optional

Chapter 11: Lists 272stdDev(, variance(stdDev(, variance(stdDev(, variance(stdDev(, variance(stdDev( returns the standard deviation of the elements i

Chapter 12: Statistics 273Chapter 12:Chapter 12:Chapter 12:Chapter 12:StatisticsStatisticsStatisticsStatisticsGetting Started: Pendulum Lengths and P

Chapter 12: Statistics 2742. Press … 5 to select 5:SetUpEditor. SetUpEditor is pasted to the home screen.Press Í. This removes lists from stat list e

Chapter 12: Statistics 2756. Press o to display the Y= editor.If necessary, press ‘ to clear the function Y1. As necessary, press }, Í, and ~ to turn

Chapter 12: Statistics 276Since the scatter plot of time-versus-length data appears to be approximately linear, fit a line to the data.10. Press … ~

Chapter 1: Operating the TI-84 Plus Silver Edition 25Using TI-84 Plus Variable NamesUsing TI-84 Plus Variable NamesUsing TI-84 Plus Variable NamesUsi

Chapter 12: Statistics 277The regression line appears to fit the central portion of the scatter plot well. However, a residual plot may provide more

Chapter 12: Statistics 278Notice that the first three residuals are negative. They correspond to the shortest pendulum string lengths in L1. The next

Chapter 12: Statistics 279Notice the pattern of the residuals: a group of negative residuals, then a group of positive residuals, and then another gr

Chapter 12: Statistics 280The new function y=.192x.522 appears to fit the data well. To get more information, examine a residual plot.25. Press Í to

Chapter 12: Statistics 281The new residual plot shows that the residuals are random in sign, with the residuals increasing in magnitude as the string

Chapter 12: Statistics 282Setting Up Statistical AnalysesSetting Up Statistical AnalysesSetting Up Statistical AnalysesSetting Up Statistical Analyse

Chapter 12: Statistics 283can store data for statistical calculations. Also, you can store data to list names that you create (Chapter 11).Setting Up

Chapter 12: Statistics 284The top line displays list names. L1 through L6 are stored in columns 1 through 6 after a memory reset. The number of the c

Chapter 12: Statistics 2852. Enter a valid list name in any of four ways.• Select a name from the LIST NAMES menu (Chapter 11).•Enter L1, L2, L3, L4,

Chapter 12: Statistics 286To begin entering, scrolling, or editing list elements, press †. The rectangular cursor is displayed.Note: If the list name

Chapter 1: Operating the TI-84 Plus Silver Edition 26Notes about VariablesNotes about VariablesNotes about VariablesNotes about Variables• You can cr

Chapter 12: Statistics 287Removing a List from the Stat List EditorRemoving a List from the Stat List EditorRemoving a List from the Stat List Editor

Chapter 12: Statistics 288• On the home screen or in the program editor, enter 0!dim(listname) to set the dimension of listname to 0 (Chapter 11).•Us

Chapter 12: Statistics 289Note: You can enter expressions and variables for elements.4. Press Í, }, or † to update the list. If you entered an expres

Chapter 12: Statistics 2901. Press … Í to display the stat list editor.2. Press } to move the cursor to the top line.3. Press | or ~, if necessary, t

Chapter 12: Statistics 291Using the Stat List Editor When Formula-Generated Lists Are DisplayedUsing the Stat List Editor When Formula-Generated List

Chapter 12: Statistics 292Handling Errors Resulting from Attached FormulasHandling Errors Resulting from Attached FormulasHandling Errors Resulting f

Chapter 12: Statistics 293For example:• In the stat list editor, move the cursor onto the name of the list to which a formula is attached. Press Í‘Í.

Chapter 12: Statistics 294Switching Stat List Editor ContextsSwitching Stat List Editor ContextsSwitching Stat List Editor ContextsSwitching Stat Lis

Chapter 12: Statistics 295Stat List Editor ContextsStat List Editor ContextsStat List Editor ContextsStat List Editor ContextsView-Elements ContextVi

Chapter 12: Statistics 296To page down the list six elements, press ƒ†. To page up six elements, press ƒ}. To delete a list element, press {. Remaini

iiiUSA FCC Information Concerning Radio Frequency USA FCC Information Concerning Radio Frequency USA FCC Information Concerning Radio Frequency USA F

Chapter 1: Operating the TI-84 Plus Silver Edition 27Storing Variable ValuesStoring Variable ValuesStoring Variable ValuesStoring Variable ValuesStor

Chapter 12: Statistics 297• When you switch to edit-elements context from view-names context, the full values of all elements in the list are display

Chapter 12: Statistics 298Enter-Name ContextEnter-Name ContextEnter-Name ContextEnter-Name ContextIn enter-name context, the Name= prompt is displaye

Chapter 12: Statistics 299STAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuSTAT EDIT MenuTo display

Chapter 12: Statistics 300keylistname. This lets you sort two-variable data on X and keep the data pairs together. All lists must have the same dimen

Chapter 12: Statistics 301SetUpEditorSetUpEditorSetUpEditorSetUpEditorWith SetUpEditor you can set up the stat list editor to display one or more lis

Chapter 12: Statistics 302Restoring LRestoring LRestoring LRestoring L1111 through L through L through L through L6666 to the Stat List Editor to th

Chapter 12: Statistics 303The TI-84 Plus uses the formula below to compute RESID list elements. The next section describes the variable RegEQ.RESID =

Chapter 12: Statistics 304Note: For the regression equation, you can use the fixed-decimal mode setting to control the number of digits stored after

Chapter 12: Statistics 305By default, these values are not displayed with the results of a regression model when you execute it. However, you can set

Chapter 12: Statistics 306STAT CALC MenuSTAT CALC MenuSTAT CALC MenuSTAT CALC MenuSTAT CALC MenuSTAT CALC MenuSTAT CALC MenuSTAT CALC MenuTo display

Chapter 1: Operating the TI-84 Plus Silver Edition 28Archiving Variables (Archive, Unarchive)Archiving Variables (Archive, Unarchive)Archiving Variab

Chapter 12: Statistics 307For each STAT CALC menu item, if neither Xlistname nor Ylistname is specified, then the default list names are L1 and L2. I

Chapter 12: Statistics 3082-Var Stats2-Var Stats2-Var Stats2-Var Stats2-Var Stats (two-variable statistics) analyzes paired data. Xlistname is the in

Chapter 12: Statistics 309LinReg(ax+b) [Xlistname,Ylistname,freqlist,regequ]QuadReg (axQuadReg (axQuadReg (axQuadReg (ax2+bx+c)+bx+c)+bx+c)+bx+c)Quad

Chapter 12: Statistics 310QuartReg [Xlistname,Ylistname,freqlist,regequ]LinReg—(a+bx)LinReg—(a+bx)LinReg—(a+bx)LinReg—(a+bx)LinReg(a+bx) (linear regr

Chapter 12: Statistics 311PwrReg (power regression) fits the model equation y=axb to the data using a least-squares fit and transformed values ln(x)

Chapter 12: Statistics 312order. If you specify period, the algorithm may find a solution more quickly, or it may find a solution when it would not h

Chapter 12: Statistics 313With noisy data, you will achieve better convergence results when you specify an accurate estimate for period. You can obta

Chapter 12: Statistics 314The linear function is displayed. The Manual-Fit Line equation displays in the form of Y=mX+b. The current value of the fir

Chapter 12: Statistics 315Select y 5 to finish the Manual Fit function. The calculator stores the current mX+b expression into Y1 and makes that func

Chapter 12: Statistics 316QQQQ1111 and Q and Q and Q and Q3333The first quartile (Q1) is the median of points between minX and Med (median). The thir

Chapter 1: Operating the TI-84 Plus Silver Edition 29• Press  |, and then select the name of the program (in the program editor only).The variable n

Chapter 12: Statistics 317Statistical Analysis in a ProgramStatistical Analysis in a ProgramStatistical Analysis in a ProgramStatistical Analysis in

Chapter 12: Statistics 318Statistical PlottingStatistical PlottingStatistical PlottingStatistical PlottingSteps for Plotting Statistical Data in List

Chapter 12: Statistics 319ScatterScatterScatterScatterScatter (")plots plot the data points from Xlist and Ylist as coordinate pairs, showing ea

Chapter 12: Statistics 320HistogramHistogramHistogramHistogramHistogram (Ò) plots one-variable data. The Xscl window variable value determines the wi

Chapter 12: Statistics 321in the middle. When three are plotted, the first one plots at the top, the second in the middle, and the third at the botto

Chapter 12: Statistics 322NormProbPlotNormProbPlotNormProbPlotNormProbPlotNormProbPlot (Ô) (normal probability plot) plots each observation X in Data

Chapter 12: Statistics 3231. Press y ,. The STAT PLOTS menu is displayed with the current plot definitions.2. Select the plot you want to use. The st

Chapter 12: Statistics 3245. Enter list names or select options for the plot type.•Xlist (list name containing independent data)•Ylist (list name con

Chapter 12: Statistics 325Turning On and Turning Off Stat PlotsTurning On and Turning Off Stat PlotsTurning On and Turning Off Stat PlotsTurning On a

Chapter 12: Statistics 326Defining the Viewing WindowDefining the Viewing WindowDefining the Viewing WindowDefining the Viewing WindowStat plots are

Chapter 1: Operating the TI-84 Plus Silver Edition 30To recall ENTRY, press y [. The last entry is pasted to the current cursor location, where you c

Chapter 12: Statistics 327To define a stat plot from a program, begin on a blank line in the program editor and enter data into one or more lists; th

Chapter 12: Statistics 3285. Press ¢. Enter the list names, separated by commas.6. Press ¢ y , | to display the STAT PLOT MARK menu. (This step is no

Chapter 12: Statistics 329

Chapter 13: Inferential Statistics and Distributions 330Chapter 13:Chapter 13:Chapter 13:Chapter 13:Inferential Statistics and DistributionsInferenti

Chapter 13: Inferential Statistics and Distributions 3312. Enter [H] [G] [H] [T] at the Name= prompt, and then press Í. The list to which you will st

Chapter 13: Inferential Statistics and Distributions 332Interpret the results.The first line, (159.74,173.94), shows that the 99 percent confidence i

Chapter 13: Inferential Statistics and Distributions 333of 7.1 calculated from the larger random sample. This time, use the Stats (summary statistics

Chapter 13: Inferential Statistics and Distributions 334If the height distribution among a population of women is normally distributed with a mean m

Chapter 13: Inferential Statistics and Distributions 335Inferential Stat EditorsInferential Stat EditorsInferential Stat EditorsInferential Stat Edit

Chapter 13: Inferential Statistics and Distributions 336according to each test or interval’s input requirements. Below is the inferential stat editor

Chapter 1: Operating the TI-84 Plus Silver Edition 31If you press y[ after displaying the oldest stored entry, the newest stored entry is displayed a

Chapter 13: Inferential Statistics and Distributions 337This chapter describes the selections in the above steps for each hypothesis test and confide

Chapter 13: Inferential Statistics and Distributions 338When you enter values in any inferential stat editor, the TI-84 Plus stores them in memory so

Chapter 13: Inferential Statistics and Distributions 339Selecting Calculate or Draw for a Hypothesis TestSelecting Calculate or Draw for a Hypothesis

Chapter 13: Inferential Statistics and Distributions 340Note: You can paste a hypothesis test or confidence interval instruction to a command line in

Chapter 13: Inferential Statistics and Distributions 341Note: When a new test or interval is computed, all previous output variables are invalidated.

Chapter 13: Inferential Statistics and Distributions 342The description then shows the unique output screen for that instruction with the example res

Chapter 13: Inferential Statistics and Distributions 343L1={299.4 297.7 301 298.9 300.2 297}Data StatsInput:Calculatedresults:Drawnresults:

Chapter 13: Inferential Statistics and Distributions 344Note: All STAT TESTS examples assume a fixed-decimal mode setting of 4 (Chapter 1). If you se

Chapter 13: Inferential Statistics and Distributions 3452-SampZTest2-SampZTest2-SampZTest2-SampZTest2-SampZTest (two-sample z test; item 3) tests the

Chapter 13: Inferential Statistics and Distributions 346In the example:LISTA={154 109 137 115 140}LISTB={108 115 126 92 146}Data StatsInput:C

Chapter 1: Operating the TI-84 Plus Silver Edition 32When you press y[, all the expressions and instructions separated by colons are pasted to the cu

Chapter 13: Inferential Statistics and Distributions 3472-SampTTest2-SampTTest2-SampTTest2-SampTTest2-SampTTest (two-sample t test; item 4) tests the

Chapter 13: Inferential Statistics and Distributions 348SAMP1={12.207 16.869 25.05 22.429 8.456 10.589}SAMP2={11.074 9.686 12.064 9.351 8.18

Chapter 13: Inferential Statistics and Distributions 3491-PropZTest1-PropZTest1-PropZTest1-PropZTest1-PropZTest (one-proportion z test; item 5) compu

Chapter 13: Inferential Statistics and Distributions 3502-PropZTest2-PropZTest2-PropZTest2-PropZTest2-PropZTest (two-proportion z test; item 6) compu

Chapter 13: Inferential Statistics and Distributions 351•Ha: p1>p2 (p1:>p2)Input:Calculatedresults:Drawnresults:

Chapter 13: Inferential Statistics and Distributions 352ZIntervalZIntervalZIntervalZIntervalZInterval (one-sample z confidence interval; item 7) comp

Chapter 13: Inferential Statistics and Distributions 353TIntervalTIntervalTIntervalTIntervalTInterval (one-sample t confidence interval; item 8) comp

Chapter 13: Inferential Statistics and Distributions 3542-SampZInt2-SampZInt2-SampZInt2-SampZInt2-SampZInt (two-sample z confidence interval; item 9)

Chapter 13: Inferential Statistics and Distributions 3552-SampTInt2-SampTInt2-SampTInt2-SampTInt2-SampTInt (two-sample t confidence interval; item 0)

Chapter 13: Inferential Statistics and Distributions 356SAMP1={12.207 16.869 25.05 22.429 8.456 10.589}SAMP2={11.074 9.686 12.064 9.351 8.1

Chapter 1: Operating the TI-84 Plus Silver Edition 33You can use the variable Ans to represent the last answer in most places. Press yZ to copy the v

Chapter 13: Inferential Statistics and Distributions 3571-PropZInt1-PropZInt1-PropZInt1-PropZInt1-PropZInt (one-proportion z confidence interval; ite

Chapter 13: Inferential Statistics and Distributions 358observations in each sample (n1and n2). The computed confidence interval depends on the user-

Chapter 13: Inferential Statistics and Distributions 359Expected: prompt, enter the matrix variable name to which you want the computed expected coun

Chapter 13: Inferential Statistics and Distributions 360c2GOF-TestGOF-TestGOF-TestGOF-Testc2GOF-Test (Chi Square Goodness of Fit; item D) performs a

Chapter 13: Inferential Statistics and Distributions 3612-SampFTest2-SampFTest2-SampFTest2-SampFTest2-SampÜTest (two-sample Ü-test; item E) computes

Chapter 13: Inferential Statistics and Distributions 362In the example:SAMP4={SAMP5={7L1L41218L117L3L33L5L51510211L11L2}L1L3}Data StatsInput:Calculat

Chapter 13: Inferential Statistics and Distributions 363LinRegTTestLinRegTTestLinRegTTestLinRegTTestLinRegTTest (linear regression t test; item F) co

Chapter 13: Inferential Statistics and Distributions 364When LinRegTTest is executed, the list of residuals is created and stored to the list name RE

Chapter 13: Inferential Statistics and Distributions 365LinRegTIntLinRegTIntLinRegTIntLinRegTIntLinRegTInt computes a linear regression T confidence

Chapter 13: Inferential Statistics and Distributions 366Xlist, Ylist is the list of independent and dependent variables. The list containing the Freq

Chapter 1: Operating the TI-84 Plus Silver Edition 34Calculate the area of a circle of radius 5 meters. Next, calculate the volume of a cylinder of r

Chapter 13: Inferential Statistics and Distributions 367Note: SS is sum of squares and MS is mean square.Inferential Statistics Input DescriptionsInf

Chapter 13: Inferential Statistics and Distributions 368List The name of the list containing the data you are testing.Freq The name of the list conta

Chapter 13: Inferential Statistics and Distributions 369p0 The expected sample proportion for 1-PropZTest. Must be a real number, such that 0 < p0

Chapter 13: Inferential Statistics and Distributions 370Test and Interval Output VariablesTest and Interval Output VariablesTest and Interval Output

Chapter 13: Inferential Statistics and Distributions 371Note: The variables listed above cannot be archived.number of data points for sample 1 and sa

Chapter 13: Inferential Statistics and Distributions 372Distribution FunctionsDistribution FunctionsDistribution FunctionsDistribution FunctionsDISTR

Chapter 13: Inferential Statistics and Distributions 373Note: L1â99 and 1â99 specify infinity. If you want to view the area left of upperbound, for e

Chapter 13: Inferential Statistics and Distributions 374normalpdf(x[,m,s])Note: For plotting the normal distribution, you can set window variables Xm

Chapter 13: Inferential Statistics and Distributions 375invNorm(invNorm(invNorm(invNorm(invNorm( computes the inverse cumulative normal distribution

Chapter 13: Inferential Statistics and Distributions 376tpdf(tpdf(tpdf(tpdf(tpdf( computes the probability density function (pdf) for the Student-t d

Chapter 1: Operating the TI-84 Plus Silver Edition 35• When an asterisk (ä) appears to the left of a menu item, that item is stored in user data arch

Chapter 13: Inferential Statistics and Distributions 377c2pdf(pdf(pdf(pdf(c2pdf( computes the probability density function (pdf) for the c2 (chi-squa

Chapter 13: Inferential Statistics and Distributions 378c2cdf(cdf(cdf(cdf(c2cdf( computes the c2 (chi-square) distribution probability between lowerb

Chapter 13: Inferential Statistics and Distributions 379Üpdf(x,numerator df,denominator df)Fcdf(Fcdf(Fcdf(Fcdf(Ücdf( computes the Ü distribution prob

Chapter 13: Inferential Statistics and Distributions 380of integers. 0p1 must be true. numtrials must be an integer > 0. If you do not specify x

Chapter 13: Inferential Statistics and Distributions 381poissonpdf(poissonpdf(poissonpdf(poissonpdf(poissonpdf( computes a probability at x for the d

Chapter 13: Inferential Statistics and Distributions 3820p1 must be true. x can be an integer or a list of integers. The probability density functi

Chapter 13: Inferential Statistics and Distributions 383To clear the drawings, select 1:ClrDraw from the DRAW menu (Chapter 8).Note: Before you execu

Chapter 13: Inferential Statistics and Distributions 384ShadeNorm(lowerbound,upperbound[,m,s])Shade_t(Shade_t(Shade_t(Shade_t(Shade_t( draws the dens

Chapter 13: Inferential Statistics and Distributions 385ShadeShadeShadeShadec2((((Shadec2( draws the density function for the c2(chi-square) distribu

Chapter 13: Inferential Statistics and Distributions 386ShadeÜ(lowerbound,upperbound,numerator df,denominator df)Note: For this example,Xmin = 0Xmax

Chapter 1: Operating the TI-84 Plus Silver Edition 36Moving from One Menu to AnotherMoving from One Menu to AnotherMoving from One Menu to AnotherMov

Chapter 14: Applications 387Chapter 14:Chapter 14:Chapter 14:Chapter 14:ApplicationsApplicationsApplicationsApplicationsThe Applications MenuThe Appl

Chapter 14: Applications 388Getting Started: Financing a CarGetting Started: Financing a CarGetting Started: Financing a CarGetting Started: Financin

Chapter 14: Applications 389Getting Started: Computing Compound InterestGetting Started: Computing Compound InterestGetting Started: Computing Compou

Chapter 14: Applications 390Note: Because there are no payments when you solve compound interest problems, PMT must be set to 0 and P/Y must be set t

Chapter 14: Applications 391Using the TVM Solver Using the TVM Solver Using the TVM Solver Using the TVM Solver Using the TVM Solver Using the TVM So

Chapter 14: Applications 3923. Enter a value for P/Y, which automatically enters the same value for C/Y; if P/Y ƒ C/Y, enter a unique value for C/Y.4

Chapter 14: Applications 393FINANCE CALC MenuFINANCE CALC MenuFINANCE CALC MenuFINANCE CALC MenuTo display the FINANCE CALC menu, press ÎŒ Í.Use thes

Chapter 14: Applications 394TVM SolverTVM SolverTVM SolverTVM SolverTVM Solver displays the TVM Solver.Calculating Time Value of Money (TVM)Calculati

Chapter 14: Applications 395tvm_Pmt[(òÚ,¾æ,PV,FV,P/Y,C/Y)] Note: In the example above, the values are stored to the TVM variables in the TVM Solver.

Chapter 14: Applications 396tvm_PV[(Ú,¾æ,PMT,FV,P/Y,C/Y)]tvm_Ntvm_Ntvm_Ntvm_Ntvm_Ú computes the number of payment periods.tvm_Ú[(æ¾,PV,PMT,FV,P/Y,C/Y

Chapter 1: Operating the TI-84 Plus Silver Edition 1Chapter 1:Chapter 1:Chapter 1:Chapter 1:Operating the TI-84 Plus Silver EditionOperating the TI-8

Chapter 1: Operating the TI-84 Plus Silver Edition 37Selecting an Item from a MenuSelecting an Item from a MenuSelecting an Item from a MenuSelecting

Chapter 14: Applications 397Calculating Cash FlowsCalculating Cash FlowsCalculating Cash FlowsCalculating Cash FlowsCalculating a Cash FlowCalculatin

Chapter 14: Applications 398npv(, irr(npv(, irr(npv(, irr(npv(, irr(npv( (net present value) is the sum of the present values for the cash inflows an

Chapter 14: Applications 399Calculating AmortizationCalculating AmortizationCalculating AmortizationCalculating AmortizationCalculating an Amortizati

Chapter 14: Applications 400Note: You must enter values for æ, PV, PMT, and before computing the principal.GPrn(pmt1,pmt2[,roundvalue])GInt( computes

Chapter 14: Applications 4012. Press Î Œ Í Í to display the TVM Solver.3. Press 360 to enter number of payments. Press † 8 to enter the interest rate

Chapter 14: Applications 402Calculating Interest ConversionCalculating Interest ConversionCalculating Interest ConversionCalculating Interest Convers

Chapter 14: Applications 4034Nom( computes the nominal interest rate. effective rate and compounding periods must be real numbers. compounding period

Chapter 14: Applications 404dbd(date1,date2)You can enter date1 and date2 in either of two formats.• MM.DDYY (United States)• DDMM.YY (Europe)The dec

Chapter 14: Applications 405Pmt_BgnPmt_BgnPmt_BgnPmt_BgnPmt_Bgn (payment beginning) specifies an annuity due, where payments occur at the beginning o

Chapter 14: Applications 406N, I%, PV, PMT, FVN, I%, PV, PMT, FVN, I%, PV, PMT, FVN, I%, PV, PMT, FVÚ, æ, PV, PMT, and FV are the five TVM variables.

Chapter 1: Operating the TI-84 Plus Silver Edition 38Leaving a Menu without Making a SelectionLeaving a Menu without Making a SelectionLeaving a Menu

Chapter 14: Applications 407Steps for Running the EasyData AppSteps for Running the EasyData AppSteps for Running the EasyData AppSteps for Running t

Chapter 14: Applications 408To change a predefined setting:1. From the main screen in the EasyData App, choose Setup and select 2: Time Graph. The cu

Chapter 14: Applications 409Starting and Stopping Data CollectionStarting and Stopping Data CollectionStarting and Stopping Data CollectionStarting a

Chapter 14: Applications 410

Chapter 15: CATALOG, Strings, Hyperbolic Functions 411Chapter 15:Chapter 15:Chapter 15:Chapter 15:CATALOG, Strings, Hyperbolic CATALOG, Strings, Hy

Chapter 15: CATALOG, Strings, Hyperbolic Functions 412The 4 in the first column is the selection cursor.2. Press † or } to scroll the CATALOG until t

Chapter 15: CATALOG, Strings, Hyperbolic Functions 413Entering and Using StringsEntering and Using StringsEntering and Using StringsEntering and Usin

Chapter 15: CATALOG, Strings, Hyperbolic Functions 4143. Press ƒ [ã] to indicate the end of the string.ãstringã4. Press Í. On the home screen, the st

Chapter 15: CATALOG, Strings, Hyperbolic Functions 4152. Press Í to display the STRING secondary menu.Storing a String to a String VariableStoring a

Chapter 15: CATALOG, Strings, Hyperbolic Functions 4165. Press Í to store the string to the string variable. On the home screen, the stored string is

Chapter 1: Operating the TI-84 Plus Silver Edition 39Selecting a Variable from the VARS Menu or VARS Y-VARS MenuSelecting a Variable from the VARS Me

Chapter 15: CATALOG, Strings, Hyperbolic Functions 417other CATALOG menu items. The ellipses in the table indicate the presence of additional CATALOG

Chapter 15: CATALOG, Strings, Hyperbolic Functions 4183. Enter string2, which can be a string or string name. If necessary, press à and enter string3

Chapter 15: CATALOG, Strings, Hyperbolic Functions 419expr(expr(expr(expr(expr( converts the character string contained in string to an expression an

Chapter 15: CATALOG, Strings, Hyperbolic Functions 420length(length(length(length(length( returns the number of characters in string. string can be a

Chapter 15: CATALOG, Strings, Hyperbolic Functions 421sub(sub(sub(sub(sub( returns a string that is a subset of an existing string. string can be a s

Chapter 15: CATALOG, Strings, Hyperbolic Functions 422Note: When you execute this program, enter a function to store to Y3 at the ENTRY= prompt.Hyper

Chapter 15: CATALOG, Strings, Hyperbolic Functions 423sinh(, cosh(, tanh(sinh(, cosh(, tanh(sinh(, cosh(, tanh(sinh(, cosh(, tanh(sinh(, cosh(, and t

Chapter 15: CATALOG, Strings, Hyperbolic Functions 424sinh-1(value)cosh-1(value)sinh-1(value)

Chapter 16: Programming 425Chapter 16:Chapter 16:Chapter 16:Chapter 16:ProgrammingProgrammingProgrammingProgrammingGetting Started: Volume of a Cylin

Chapter 16: Programming 4263. Press  ~ 2 to select 2:Prompt from the PRGM I/O menu. Prompt is copied to the command line. Press ƒ [R] ¢ ƒ [H] to ent

Chapter 1: Operating the TI-84 Plus Silver Edition 40• Press  ~ to display the VARS Y-VARS menu.2. Select the type of variable, such as 2:Zoom from

Chapter 16: Programming 427Creating and Deleting ProgramsCreating and Deleting ProgramsCreating and Deleting ProgramsCreating and Deleting ProgramsWh

Chapter 16: Programming 4282. Press Í to select 1:Create New. The Name= prompt is displayed, and alpha-lock is on.3. Press a letter from A to Z or q

Chapter 16: Programming 429The TI-84 Plus expresses memory quantities in bytes.You can increase available memory in one of two ways. You can delete o

Chapter 16: Programming 4304. Press y L and then select 2:Mem Mgmt/Del from the MEMORY menu.5. Select 2:Mem Mgmt/Del to display the MEM MGMT/DEL menu

Chapter 16: Programming 431While in the program editor, you can display and select from menus. You can return to the program editor from a menu in ei

Chapter 16: Programming 432The TI-84 Plus checks for errors during program execution. It does not check for errors as you enter a program.Breaking a

Chapter 16: Programming 433Note: To move the cursor to the beginning of a command line, press y|; to move to the end, press y~. To scroll the cursor

Chapter 16: Programming 434Copying programs has at least two convenient applications.• You can create a template for groups of instructions that you

Chapter 16: Programming 435PRGM CTL (Control) InstructionsPRGM CTL (Control) InstructionsPRGM CTL (Control) InstructionsPRGM CTL (Control) Instructio

Chapter 16: Programming 436These menu items direct the flow of an executing program. They make it easy to repeat or skip a group of commands during p

Chapter 1: Operating the TI-84 Plus Silver Edition 41Note: Within a priority level, EOS evaluates functions from left to right. Calculations within p

Chapter 16: Programming 437IfIfIfIfUse If for testing and branching. If condition is false (zero), then the command immediately following If is skipp

Chapter 16: Programming 438:End:commandIf-Then-ElseIf-Then-ElseIf-Then-ElseIf-Then-ElseElse following If-Then executes a group of commands if conditi

Chapter 16: Programming 439For(For(For(For(For( loops and increments. It increments variable from begin to end by increment. increment is optional (d

Chapter 16: Programming 440WhileWhileWhileWhileWhile performs a group of commands while condition is true. condition is frequently a relational test

Chapter 16: Programming 441:command (until condition is true):End:commandEnd End End End End identifies the end of a group of commands. You must incl

Chapter 16: Programming 442Pause [value]Lbl, GotoLbl, GotoLbl, GotoLbl, GotoLbl (label) and Goto (go to) are used together for branching.Lbl specifie

Chapter 16: Programming 443Goto labelIS>(IS>(IS>(IS>(IS>( (increment and skip) adds 1 to variable. If the answer is > value (which

Chapter 16: Programming 444DS<(DS<(DS<(DS<(DS<( (decrement and skip) subtracts 1 from variable. If the answer is < value (which can

Chapter 16: Programming 445Menu("title","text1",label1,"text2",label2, . . .)The program above pauses until you select

Chapter 16: Programming 446StopStopStopStopStop stops execution of a program and returns to the home screen. Stop is optional at the end of a program

Chapter 1: Operating the TI-84 Plus Silver Edition 42You can omit the close parenthesis ( ) ) at the end of an expression. All open parenthetical ele

Chapter 16: Programming 447Not all graph styles are available in all graphing modes. For a detailed description of each graph style, see the Graph St

Chapter 16: Programming 448These instructions control input to and output from a program during execution. They allow you to enter values and display

Chapter 16: Programming 449Storing a Variable Value with InputStoring a Variable Value with InputStoring a Variable Value with InputStoring a Variabl

Chapter 16: Programming 450PromptPromptPromptPromptDuring program execution, Prompt displays each variable, one at a time, followed by =?. At each pr

Chapter 16: Programming 451• If value is a variable, the current value is displayed.• If value is an expression, it is evaluated and the result is di

Chapter 16: Programming 452Output(Output(Output(Output(Output( displays text or value on the current home screen beginning at row (1 through 8) and c

Chapter 16: Programming 453getKeygetKeygetKeygetKeygetKey returns a number corresponding to the last key pressed, according to the key code diagram b

Chapter 16: Programming 454 TI-84 Plus Key Code Diagram TI-84 Plus Key Code Diagram TI-84 Plus Key Code Diagram TI-84 Plus Key Code DiagramClrHome, C

Chapter 16: Programming 455By default, the TI-84 Plus uses the USB port if it is connected. If the USB cable is not connected, it uses the I/O port.

Chapter 16: Programming 456Send(variable)Note: You can access Get(, Send(, and GetCalc( from the CATALOG to execute them from the home screen (Chapte

Chapter 1: Operating the TI-84 Plus Silver Edition 43Special Features of the TI-84 PlusSpecial Features of the TI-84 PlusSpecial Features of the TI-8

Chapter 16: Programming 457command in the first program when it encounters either Return or the implied Return at the end of the second program.Subro

Chapter 16: Programming 458Running an Assembly Language ProgramRunning an Assembly Language ProgramRunning an Assembly Language ProgramRunning an Ass

Chapter 16: Programming 4591. Follow the steps for writing a program (16-4) but be sure to include AsmPrgm as the first line of your program.2. From

Chapter 17: Activities 460Chapter 17: Chapter 17: Chapter 17: Chapter 17: ActivitiesActivitiesActivitiesActivitiesThe Quadratic FormulaThe Quadratic

Chapter 17: Activities 461Converting to a FractionConverting to a FractionConverting to a FractionConverting to a FractionYou can show the solution a

Chapter 17: Activities 462To save keystrokes, you can recall the last expression you entered, and then edit it for a new calculation. 2. Press 1 to s

Chapter 17: Activities 463Displaying Complex ResultsDisplaying Complex ResultsDisplaying Complex ResultsDisplaying Complex ResultsNow solve the equat

Chapter 17: Activities 4642. Press y 5 (above z) to return to the home screen, and then press ‘ to clear it.3. Press 2 ¿ ƒ [A] ƒ [:] Ì 1 ¿ ƒ [B] ƒ [:

Chapter 17: Activities 465Note: An alternative for solving equations for real numbers is to use the built-in Equation Solver.6. Press y [ repeatedly

Chapter 17: Activities 466Box with LidBox with LidBox with LidBox with LidDefining a FunctionDefining a FunctionDefining a FunctionDefining a Functio

Chapter 1: Operating the TI-84 Plus Silver Edition 44ApplicationsApplicationsApplicationsApplicationsApplications can be installed to customize the T

Chapter 17: Activities 467Defining a Table of ValuesDefining a Table of ValuesDefining a Table of ValuesDefining a Table of ValuesThe table feature o

Chapter 17: Activities 468Zooming In on the TableZooming In on the TableZooming In on the TableZooming In on the TableYou can adjust the way a table

Chapter 17: Activities 4692. Press y 0.3. Press † and } to scroll the table. Notice that the maximum value for Y1 is 410.26, which occurs at X=3.7. T

Chapter 17: Activities 470Setting the Viewing WindowSetting the Viewing WindowSetting the Viewing WindowSetting the Viewing WindowYou also can use th

Chapter 17: Activities 471The standard window variables define the viewing window as shown. Xmin, Xmax, Ymin, and Ymax define the boundaries of the d

Chapter 17: Activities 472Displaying and Tracing the GraphDisplaying and Tracing the GraphDisplaying and Tracing the GraphDisplaying and Tracing the

Chapter 17: Activities 4734. Press r. The trace cursor is displayed on the Y1 function. The function that you are tracing is displayed in the top-lef

Chapter 17: Activities 474Zooming In on the GraphZooming In on the GraphZooming In on the GraphZooming In on the GraphTo help identify maximums, mini

Chapter 17: Activities 475Finding the Calculated MaximumFinding the Calculated MaximumFinding the Calculated MaximumFinding the Calculated MaximumYou

Chapter 17: Activities 4763. Press ~ to trace along the curve to a point to the right of the maximum, and then press Í.A 3 at the top of the screen i

Chapter 1: Operating the TI-84 Plus Silver Edition 45GraphingGraphingGraphingGraphingYou can store, graph, and analyze up to 10 functions, up to six

Chapter 17: Activities 477Comparing Test Results Using Box PlotsComparing Test Results Using Box PlotsComparing Test Results Using Box PlotsComparing

Chapter 17: Activities 478ProcedureProcedureProcedureProcedure1. Press … 5 to select 5:SetUpEditor. Enter list names WLEFT, WRGHT, MLEFT, and MRGHT,

Chapter 17: Activities 4797. Press p. Set Xscl=1 and Yscl=0. Press q 9 to select 9:ZoomStat. This adjusts the viewing window and displays the box plo

Chapter 17: Activities 48011. Compare the right-hand results. Define plot 1 to use WRGHT, define plot 2 to use MRGHT, and then press r to examine min

Chapter 17: Activities 481Graphing Piecewise FunctionsGraphing Piecewise FunctionsGraphing Piecewise FunctionsGraphing Piecewise FunctionsProblemProb

Chapter 17: Activities 4823. Press p and set Xmin=L2, Xscl=10, Ymin=L5, and Yscl=10. Ignore Xmax and Ymax; they are set by @X and @Y in step 4.4. Pre

Chapter 17: Activities 483Graphing InequalitiesGraphing InequalitiesGraphing InequalitiesGraphing InequalitiesProblemProblemProblemProblemGraph the i

Chapter 17: Activities 4846. Press o. Turn off Y4, Y5, and Y6. Enter equations to graph only the inequality.7. Press r. Notice that the values of Y7

Chapter 17: Activities 485Solving a System of Nonlinear EquationsSolving a System of Nonlinear EquationsSolving a System of Nonlinear EquationsSolvin

Chapter 17: Activities 4864. Press q 2 to select 2:Zoom In. Use |, ~, }, and † to move the free-moving cursor onto the apparent intersection of the f

Chapter 1: Operating the TI-84 Plus Silver Edition 46For details, refer to: Chapter 9MatricesMatricesMatricesMatricesYou can enter and save up to 10

Chapter 17: Activities 487Using a Program to Create the Sierpinski TriangleUsing a Program to Create the Sierpinski TriangleUsing a Program to Create

Chapter 17: Activities 488After you execute the program above, you can recall and display the picture with the instruction RecallPic 6.:If 1à3<N a

Chapter 17: Activities 489Graphing Cobweb AttractorsGraphing Cobweb AttractorsGraphing Cobweb AttractorsGraphing Cobweb AttractorsProblemProblemProbl

Chapter 17: Activities 4906. Change K to 3.44 and trace the graph to show a cobweb with two attractors.7. Change K to 3.54 and trace the graph to sho

Chapter 17: Activities 491Using a Program to Guess the CoefficientsUsing a Program to Guess the CoefficientsUsing a Program to Guess the Coefficients

Chapter 17: Activities 492:L2p!Xmin:2p!Xmax:pà2!Xscl:L10!Ymin:10!Ymax:1!YsclSet viewing window.:DispGraph:PauseDisplay graph.:FnOn 2:Lbl Z:Prompt C,D

Chapter 17: Activities 493:If C=A and D=B:Stop:Goto ZQuit if guesses are correct.

Chapter 17: Activities 494Graphing the Unit Circle and Trigonometric CurvesGraphing the Unit Circle and Trigonometric CurvesGraphing the Unit Circle

Chapter 17: Activities 4955. Press r. As the graph is plotting, you may press Í to pause and Í again to resume graphing as you watch the sine functio

Chapter 17: Activities 496Finding the Area between CurvesFinding the Area between CurvesFinding the Area between CurvesFinding the Area between Curve

Chapter 1: Operating the TI-84 Plus Silver Edition 2Scientific — Scientific calculator keys access the capabilities of a standard scientific calculat

Chapter 1: Operating the TI-84 Plus Silver Edition 47Inferential StatisticsInferential StatisticsInferential StatisticsInferential StatisticsYou can

Chapter 17: Activities 4975. Press y 5 to go to the home screen. Press y< 7 and use Shade( to see the area graphically.Shade(Y2,Y1,Ans,75)6. Press

Chapter 17: Activities 498Using Parametric Equations: Ferris Wheel ProblemUsing Parametric Equations: Ferris Wheel ProblemUsing Parametric Equations:

Chapter 17: Activities 499ProcedureProcedureProcedureProcedure1. Press z. Select Par, Simul, and the default settings. Simul (simultaneous) mode simu

Chapter 17: Activities 5005. Press p. Change the viewing window to concentrate on this portion of the graph.6. Press r. After the graph is plotted, p

Chapter 17: Activities 501You can use r to, in effect, take snapshots in time and explore the relative behavior of two objects in motion.

Chapter 17: Activities 502Demonstrating the Fundamental Theorem of Demonstrating the Fundamental Theorem of Demonstrating the Fundamental Theorem of

Chapter 17: Activities 5034. Press r. Press |, }, ~, and † to compare the values of Y1 and Y2.5. Press o. Turn off Y1 and Y2, and then enter the nume

Chapter 17: Activities 504Problem 2Problem 2Problem 2Problem 2Explore the functions defined by,,andProcedure 2Procedure 2Procedure 2Procedure 21. Pre

Chapter 17: Activities 5055. Press r. Notice that although the three graphs defined by Y5 are different, they share the same derivative.

Chapter 17: Activities 506Computing Areas of Regular N-Sided PolygonsComputing Areas of Regular N-Sided PolygonsComputing Areas of Regular N-Sided Po

Chapter 1: Operating the TI-84 Plus Silver Edition 48For details, refer to: Chapter 16ArchivingArchivingArchivingArchivingArchiving allows you to sto

Chapter 17: Activities 5073. Enter N=4 and B=6 to find the area (A) of a square with a distance (B) from center to vertex of 6 centimeters.4. Press }

Chapter 17: Activities 508Now graph the equation to see visually how the area changes as the number of sides gets large.8. Press z. Select the defaul

Chapter 17: Activities 509asymptote to Y1. The area of an N-sided regular polygon, with r as the distance from the center to a vertex, approaches the

Chapter 17: Activities 510Computing and Graphing Mortgage PaymentsComputing and Graphing Mortgage PaymentsComputing and Graphing Mortgage PaymentsCom

Chapter 17: Activities 511Now compare the graph of the amount of interest with the graph of the amount of principal for each payment.4. Press z. Set

Chapter 17: Activities 512The graph shows that for the 240th payment (X=240), 358.03 of the 800 payment is applied to principal (Y=358.03).Note: The

Chapter 17: Activities 513At which monthly payment will the principal allocation surpass the interest allocation?

Chapter 18: Memory and Variable Management 514Chapter 18: Chapter 18: Chapter 18: Chapter 18: Memory and Variable ManagementMemory and Variable Manag

Chapter 18: Memory and Variable Management 515Available RAM, Archive, and App SlotsAvailable RAM, Archive, and App SlotsAvailable RAM, Archive, and A

Chapter 18: Memory and Variable Management 516Displaying the MEMORY MANAGEMENT/DELETE MenuDisplaying the MEMORY MANAGEMENT/DELETE MenuDisplaying the

Chapter 1: Operating the TI-84 Plus Silver Edition 49As future software upgrades become available on the TI Web site, you can download the software t

Chapter 18: Memory and Variable Management 5171. Press y L to display the MEMORY menu.2. Select 2:Mem Mgmt/Del to display the MEMORY MANAGEMENT/DELET

Chapter 18: Memory and Variable Management 518To leave the MEMORY MANAGEMENT/DELETE menu, press either y5 or ‘. Both options display the home screen.

Chapter 18: Memory and Variable Management 519Deleting Items from MemoryDeleting Items from MemoryDeleting Items from MemoryDeleting Items from Memor

Chapter 18: Memory and Variable Management 5204. Press } and † to move the selection cursor (4) next to the item you want to delete, and then press {

Chapter 18: Memory and Variable Management 521Clearing Entries and List ElementsClearing Entries and List ElementsClearing Entries and List ElementsC

Chapter 18: Memory and Variable Management 5223. Press Í to set the dimension of each list in memory to 0.To cancel ClrAllLists, press ‘.ClrAllLists

Chapter 18: Memory and Variable Management 523Archiving and UnArchiving VariablesArchiving and UnArchiving VariablesArchiving and UnArchiving Variabl

Chapter 18: Memory and Variable Management 524Functions Y1, Y2, . . . , Y9, Y0 no not applicableParametric equationsX1T and Y1T, ... , X6T and Y6Tno

Chapter 18: Memory and Variable Management 525Archiving and unarchiving can be done in two ways:•Use the 5:Archive or 6:UnArchive commands from the M

Chapter 18: Memory and Variable Management 526To archive or unarchive a list variable (L1) using the Archive/UnArchive options from the MEMORY menu:1

Chapter 1: Operating the TI-84 Plus Silver Edition 50Note: If a syntax error occurs in the contents of a Y= function during program execution, then t

Chapter 18: Memory and Variable Management 5272. Select 2:Mem Mgmt/Del to display the MEMORY MANAGEMENT/DELETE menu.3. Select 4:List to display the L

Chapter 18: Memory and Variable Management 5285. Press y 5 to leave the LIST menu.Note: You can access an archived variable for the purpose of linkin

Chapter 18: Memory and Variable Management 529Resetting the TI-84 PlusResetting the TI-84 PlusResetting the TI-84 PlusResetting the TI-84 PlusRAM ARC

Chapter 18: Memory and Variable Management 530Displaying the RAM ARCHIVE ALL MenuDisplaying the RAM ARCHIVE ALL MenuDisplaying the RAM ARCHIVE ALL Me

Chapter 18: Memory and Variable Management 5311. From the RAM ARCHIVE ALL menu, select 1:All RAM to display the RESET RAM menu or 2:Defaults to displ

Chapter 18: Memory and Variable Management 5322. Select one of the following:1:Vars to display the RESET ARC VARS menu. 2:Apps to display the RESET A

Chapter 18: Memory and Variable Management 533• To continue with the reset, select 2:Reset. A message indicating the type of archive memory cleared w

Chapter 18: Memory and Variable Management 534• To continue with the reset, select 2:Reset. The message MEM cleared is displayed on the HOME screen.W

Chapter 18: Memory and Variable Management 535Grouping and Ungrouping VariablesGrouping and Ungrouping VariablesGrouping and Ungrouping VariablesGrou

Chapter 18: Memory and Variable Management 5364. Enter a name for the new group and press Í.Note: A group name can be one to eight characters long. T

Chapter 2: Math, Angle, and Test Operations 51Chapter 2:Chapter 2:Chapter 2:Chapter 2:Math, Angle, and Test OperationsMath, Angle, and Test Operation

Chapter 18: Memory and Variable Management 5376. Press } and † to move the selection cursor (4) next to the first item you want to copy into a group,

Chapter 18: Memory and Variable Management 538Note: You can only group variables in RAM. You cannot group some system variables, such as the last-ans

Chapter 18: Memory and Variable Management 539• When you select 2:Overwrite, the unit overwrites the data of the duplicate variable name found in RAM

Chapter 18: Memory and Variable Management 5404. Press } and † to move the selection cursor (4) next to the group variable you want to ungroup, and t

Chapter 18: Memory and Variable Management 541Garbage CollectionGarbage CollectionGarbage CollectionGarbage CollectionGarbage Collection MessageGarba

Chapter 18: Memory and Variable Management 542Note: The process message Defragmenting... is displayed whenever an application marked for deletion is

Chapter 18: Memory and Variable Management 543Each variable that you archive is stored in the first empty block large enough to hold it.This process

Chapter 18: Memory and Variable Management 544When you unarchive a variable, the Archive free amount increases immediately, but the space is not actu

Chapter 18: Memory and Variable Management 5451. From the HOME screen, press y N to display the CATALOG.2. Press † or } to scroll the CATALOG until t

Chapter 18: Memory and Variable Management 546ERR:ARCHIVE FULL MessageERR:ARCHIVE FULL MessageERR:ARCHIVE FULL MessageERR:ARCHIVE FULL MessageAn ERR:

Chapter 2: Math, Angle, and Test Operations 52Keyboard Math OperationsKeyboard Math OperationsKeyboard Math OperationsKeyboard Math OperationsUsing L

Chapter 19: Communication Link 547Chapter 19: Chapter 19: Chapter 19: Chapter 19: Communication LinkCommunication LinkCommunication LinkCommunication

Chapter 19: Communication Link 5485. On the sending unit, press 5 to select 5:Matrix. The MATRIX editor screen is displayed.6. On the sending unit, p

Chapter 19: Communication Link 54913. On the sending unit, press ~ to display the TRANSMIT menu.14. On the sending unit, press 1 to select 1:Transmit

Chapter 19: Communication Link 550TI-84 Plus LINKTI-84 Plus LINKTI-84 Plus LINKTI-84 Plus LINKThis chapter describes how to communicate with compatib

Chapter 19: Communication Link 551I/O Unit-to-Unit CableTI-84 Plus to a TI-83 Plus using I/O Unit-to-Unit CableLinking to the CBL/CBR SystemLinking t

Chapter 19: Communication Link 552Linking to a ComputerLinking to a ComputerLinking to a ComputerLinking to a ComputerWith TI Connect™ software and t

Chapter 19: Communication Link 553Selecting Items to SendSelecting Items to SendSelecting Items to SendSelecting Items to SendLINK SEND MenuLINK SEND

Chapter 19: Communication Link 554When you select an item on the LINK SEND menu, the corresponding SELECT screen is displayed.Note: Each SELECT scree

Chapter 19: Communication Link 555Note: An asterisk (ä) to the left of an item indicates the item is archived.5. Repeat steps 3 and 4 to select or de

Chapter 19: Communication Link 5563. Press Í to select 1:Transmit. The name and type of each item are displayed line-by-line on the sending unit as t

Chapter 2: Math, Angle, and Test Operations 53Addition, Subtraction, Addition, Subtraction, Addition, Subtraction, Addition, Subtraction, Multiplicat

Chapter 19: Communication Link 557• Variables and applications stored in the user data archive of the sending TI-84 Plus Silver Edition will be sent

Chapter 19: Communication Link 55812. Press Í on the receiving unit.13. Press Í on the sending unit. A copy of the selected item(s) is sent to the re

Chapter 19: Communication Link 559Receiving ItemsReceiving ItemsReceiving ItemsReceiving ItemsLINK RECEIVE MenuLINK RECEIVE MenuLINK RECEIVE MenuLINK

Chapter 19: Communication Link 560DuplicateName MenuDuplicateName MenuDuplicateName MenuDuplicateName MenuDuring transmission, if a variable name is

Chapter 19: Communication Link 561You cannot send memory backups between the TI-84 Plus product family and the TI-83 Plus product family.Receiving fr

Chapter 19: Communication Link 562Backing Up RAM MemoryBacking Up RAM MemoryBacking Up RAM MemoryBacking Up RAM MemoryWarning: H:Back Up overwrites t

Chapter 19: Communication Link 5636. Press Í on the receiving unit to continue the backup.— or —Press 2:Quit on the receiving unit to cancel the back

Chapter 19: Communication Link 564Error ConditionsError ConditionsError ConditionsError ConditionsA transmission error occurs after one or two second

Chapter 19: Communication Link 565• You try to use GetCalc( with a TI-83 instead of a TI-84 Plus or TI-84 Plus Silver Edition.Insufficient Memory in

Appendix A: Functions and Instructions 566Appendix A:Appendix A:Appendix A:Appendix A:Functions and InstructionsFunctions and InstructionsFunctions a

Chapter 2: Math, Angle, and Test Operations 54Power, Square, Square RootPower, Square, Square RootPower, Square, Square RootPower, Square, Square Roo

Appendix A: Functions and Instructions 567valueA and valueB Returns 1 if both valueA and valueB are ƒ 0. valueA and valueB can be real numbers, expre

Appendix A: Functions and Instructions 568augment(matrixA,matrixB)Returns a matrix, which is matrixB appended to matrixA as new columns.y >MATH 7:

Appendix A: Functions and Instructions 569binompdf(numtrials,p[,x])Computes a probability at x for the discrete binomial distribution with the specif

Appendix A: Functions and Instructions 570checkTmr(starttime) Returns the number of seconds since you used startTmr to start the timer. The starttim

Appendix A: Functions and Instructions 571ClrList listname1[,listname2, ...,listname n]Sets to 0 the dimension of one or more listnames.…EDIT4:ClrLis

Appendix A: Functions and Instructions 572coshL1 (value)Returns hyperbolic arccosine of a real number, expression, or list.y NcoshL1(CubicReg [Xlistn

Appendix A: Functions and Instructions 573dbd(date1,date2) Calculates the number of days between date1 and date2 using the actual-day-count method.Œ

Appendix A: Functions and Instructions 574DiagnosticOn Sets diagnostics-on mode; r, r2, and R2 are displayed as regression model results.y NDiagnosti

Appendix A: Functions and Instructions 575DispTable Displays the table.† I/O5:DispTablevalue4DMSDisplays value in DMS format. y ;ANGLE4:4DMSDot Sets

Appendix A: Functions and Instructions 576Exponent:listâexponentReturns list elements times 10 to the exponent.y DExponent:matrixâexponentReturns mat

Chapter 2: Math, Angle, and Test Operations 55ExponentialExponentialExponentialExponentiale^( (exponential, yJ) returns the constant e raised to a po

Appendix A: Functions and Instructions 577ExprOff Turns off the expression display during TRACE.† y .ExprOffExprOn Turns on the expression display du

Appendix A: Functions and Instructions 578fMax(expression,variable,lower,upper[,tolerance])Returns the value of variable where the local maximum of e

Appendix A: Functions and Instructions 579:For(variable,begin,end[,increment]):commands:End:commandsExecutes commands through End, incrementing varia

Appendix A: Functions and Instructions 580GarbageCollect Displays the garbage collection menu to allow cleanup of unused archive memory. y N GarbageC

Appendix A: Functions and Instructions 581GetCalc(variable[,portflag])Gets contents of variable on another TI-84 Plus and stores it to variable on th

Appendix A: Functions and Instructions 582getDtStr(integer) Returns a string of the current date in the format specified by integer, where:1 = M/D/Y

Appendix A: Functions and Instructions 583Goto label Transfers control to label.† CTL0:GotoGraphStyle(function#,graphstyle#)Sets a graphstyle for fu

Appendix A: Functions and Instructions 584:If condition:Then:commands:End:commandsExecutes commands from Then to End if condition =1 (true).† CTL2:T

Appendix A: Functions and Instructions 585Input [variable]Input ["text",variable]Prompts for value to store to variable.† I/O1:InputInput

Appendix A: Functions and Instructions 586invT(area,df) Computes the inverse cumulative student-t probability function specified by degree of freedom

Chapter 2: Math, Angle, and Test Operations 56Note: On the TI-84 Plus, the negation symbol (M) is shorter and higher than the subtraction sign (N), w

Appendix A: Functions and Instructions 587LabelOn Turns on axes labels.† y . LabelOnLbl label Creates a label of one or two characters.† CTL9:Lbllcm

Appendix A: Functions and Instructions 588LinReg(ax+b) [Xlistname,Ylistname,freqlist,regequ]Fits a linear regression model to Xlistname and Ylistname

Appendix A: Functions and Instructions 589LnReg [Xlistname,Ylistname,freqlist,regequ]Fits a logarithmic regression model to Xlistname and Ylistname w

Appendix A: Functions and Instructions 590max(valueA,valueB) Returns the larger of valueA and valueB. NUM7:max(max(list) Returns largest real or com

Appendix A: Functions and Instructions 591Menu("title","text1",label1[,...,"text7",label7])Generates a menu of up to se

Appendix A: Functions and Instructions 592list nCr value Returns a list of the combinations of each element in list taken value at a time.PRB3:nCrli

Appendix A: Functions and Instructions 593normalpdf(x[,m,s])Computes the probability density function for the normal distribution at a specified x va

Appendix A: Functions and Instructions 594valueA or valueB Returns 1 if valueA or valueB is ƒ 0. valueA and valueB can be real numbers, expressions,

Appendix A: Functions and Instructions 595Plot#(type,Xlistname,freqlist)Defines Plot# (1, 2, or 3) of type Histogram or Boxplot for Xlistname with fr

Appendix A: Functions and Instructions 596Pmt_End Specifies an ordinary annuity, where payments occur at the end of each payment period.Π1:FinanceCA

Chapter 1: Operating the TI-84 Plus Silver Edition 3Using the ColorUsing the ColorUsing the ColorUsing the Color...Coded KeyboardCoded KeyboardCoded

Chapter 2: Math, Angle, and Test Operations 57MATH OperationsMATH OperationsMATH OperationsMATH OperationsMATH MenuMATH MenuMATH MenuMATH MenuTo disp

Appendix A: Functions and Instructions 597GPrn(pmt1,pmt2[,roundvalue])Computes the sum, rounded to roundvalue, of the principal amount between pmt1 a

Appendix A: Functions and Instructions 5982-PropZTest(x1,n1,x2,n2[,alternative,drawflag])Computes a two-proportion z test. alternative=L1 is <; al

Appendix A: Functions and Instructions 599Pxl-Off(row,column) Erases pixel at (row,column); 0 row  62 and 0 column  94.y <POINTS5:Pxl-Off(Pxl-

Appendix A: Functions and Instructions 600QuartReg [Xlistname,Ylistname,freqlist,regequ]Fits a quartic regression model to Xlistname and Ylistname wi

Appendix A: Functions and Instructions 601randNorm(m,s[,numtrials])Generates and displays a random real number from a specified Normal distribution s

Appendix A: Functions and Instructions 602RectGC Sets rectangular graphing coordinates format.† y . RectGCref(matrix) Returns the row-echelon form o

Appendix A: Functions and Instructions 603rowSwap(matrix,rowA,rowB)Returns a matrix with rowA of matrix swapped with rowB.y > MATH C:rowSwap(rref(

Appendix A: Functions and Instructions 6042-SampÜTest Sx1,n1,Sx2,n2[,alternative,drawflag](Summary stats input)Performs a two-sample Û test. alternat

Appendix A: Functions and Instructions 6052-SampTTest v1,Sx1,n1,v2,Sx2,n2[,alternative,pooled,drawflag](Summary stats input)Computes a two-sample t t

Appendix A: Functions and Instructions 6062-SampZTest(s1,s2,v1,n1,v2,n2[,alternative,drawflag])(Summary stats input)Computes a two-sample z test. alt

Chapter 2: Math, Angle, and Test Operations 58cannot be simplified or the resulting denominator is more than three digits, the decimal equivalent is

Appendix A: Functions and Instructions 607Sequential Sets mode to graph functions sequentially.† zSequentialsetDate(year,month,day) Sets the date us

Appendix A: Functions and Instructions 608SetUpEditor listname1[,listname2,...,listname20]Removes all list names from the stat list editor, then sets

Appendix A: Functions and Instructions 609ShadeNorm(lowerbound,upperbound[,m,s])Draws the normal density function specified by m and s and shades the

Appendix A: Functions and Instructions 610SinReg [iterations,Xlistname,Ylistname,period,regequ]Attempts iterations times to fit a sinusoidal regressi

Appendix A: Functions and Instructions 611SortD(keylistname,dependlist1[,dependlist2,..., dependlist n])Sorts elements of keylistname in descending o

Appendix A: Functions and Instructions 612sub(string,begin,length) Returns a string that is a subset of another string, from begin to length.y N sub

Appendix A: Functions and Instructions 613Text(row,column,text1,text2,...,text n)Writes text on graph beginning at pixel (row,column), where 0  row

Appendix A: Functions and Instructions 614tpdf(x,df) Computes the probability density function (pdf) for the Student-t distribution at a specified x

Appendix A: Functions and Instructions 615tvm_æ[(Ú,PV,PMT,FV,P/Y,C/Y)]Computes the annual interest rate.Œ 1:FinanceCALC3:tvm_ætvm_Ú[(æ,PV,PMT,FV,P/Y,

Appendix A: Functions and Instructions 6161-Var Stats [Xlistname,freqlist]Performs one-variable analysis on the data in Xlistname with frequency freq

Chapter 2: Math, Angle, and Test Operations 59x‡ (Root) (Root) (Root) (Root)x‡ (xth root) returns the xth root of value. You can use x‡ with real or

Appendix A: Functions and Instructions 617valueA xor valueB Returns 1 if only valueA or valueB = 0. valueA and valueB can be real numbers, expression

Appendix A: Functions and Instructions 618Zoom In Magnifies the part of the graph that surrounds the cursor location.† q ZOOM2:Zoom InZoom Out Displa

Appendix A: Functions and Instructions 619ZPrevious Replots the graph using the window variables of the graph that was displayed before you executed

Appendix A: Functions and Instructions 620Z-Test(m0,s,v,n[,alternative,drawflag])(Summary stats input)Performs a z test. alternative=L1 is <; alte

Appendix A: Functions and Instructions 621Transpose: matrixTReturns a matrix in which each element (row, column) is swapped with the corresponding el

Appendix A: Functions and Instructions 622Equal: valueA=valueB Returns 1 if valueA = valueB. Returns 0 if valueAƒ valueB. valueA and valueB can be re

Appendix A: Functions and Instructions 623Less than or equal: valueAvalueBReturns 1 if valueA  valueB. Returns 0 if valueA > valueB. valueA and

Appendix A: Functions and Instructions 624Powers: value^power Returns value raised to power. value can be a real or complex number or expression.›Pow

Appendix A: Functions and Instructions 625Multiplication:valueälistReturns value times each list element. ¯Multiplication:listävalueReturns each list

626Addition: matrixA+matrixBReturns matrixA elements plus matrixB elements. ÃConcatenation: string1+string2Concatenates two or more strings.ÃSubtract

Chapter 2: Math, Angle, and Test Operations 60nDeriv(nDeriv(nDeriv(nDeriv(nDeriv( (numerical derivative) returns an approximate derivative of express

Appendix B: Reference Information 627Appendix B:Appendix B:Appendix B:Appendix B:Reference InformationReference InformationReference InformationRefer

Appendix B: Reference Information 628Except for system variables, you can store any string of characters, functions, instructions, or variables to th

Appendix B: Reference Information 629Statistics FormulasStatistics FormulasStatistics FormulasStatistics FormulasThis section contains statistics for

Appendix B: Reference Information 630SinRegSinRegSinRegSinRegThe sine regression algorithm applies nonlinear recursive least-squares techniques to op

Appendix B: Reference Information 631The mean squares (MS) that make up Ü are:The sum of squares (SS) that make up the mean squares are:The degrees o

Appendix B: Reference Information 6322-SampFTest2-SampFTest2-SampFTest2-SampFTestBelow is the definition for the 2-SampÜTest.2-SampÜTest for the alte

Appendix B: Reference Information 6332-SampÜTest for the alternative hypothesis s1 ƒ s2. Limits must satisfy the following:where: [Lbnd,Ubnd] = lower

Appendix B: Reference Information 634where the computation of S and df are dependent on whether the variances are pooled. If the variances are not po

Appendix B: Reference Information 635Financial FormulasFinancial FormulasFinancial FormulasFinancial FormulasThis section contains financial formulas

Appendix B: Reference Information 636The iteration used to compute i:where:i ƒ 0where:x=iy= P/Y ÷ C/Ywhere:k= 0 for end-of-period paymentsk= 1 for be

Chapter 2: Math, Angle, and Test Operations 61fnInt(fnInt(fnInt(fnInt(fnInt( (function integral) returns the numerical integral (Gauss-Kronrod method

Appendix B: Reference Information 637where: i=0where:i ƒ 0where:i=0where:i ƒ 0where:i=0where:i ƒ 0where:i = 0PMT–iGi-----PVPV FV+1 i+()N1–-----------

Appendix B: Reference Information 638AmortizationAmortizationAmortizationAmortizationIf computing bal(), pmt2 = npmtLet bal(0) = RND(PV)Iterate from

Appendix B: Reference Information 639Cash FlowCash FlowCash FlowCash Flowwhere: Net present value is dependent on the values of the initial cash flow

Appendix B: Reference Information 640Days between DatesDays between DatesDays between DatesDays between DatesWith the dbd( function, you can enter o

Appendix B: Reference Information 641+ (number of days MB to M2)+DT2+where:M1DT1Y1M2DT2Y2MBDBYB=========month of first dateday of first dateyear of f

Appendix B: Reference Information 642Important Things You Need to Know About Your Important Things You Need to Know About Your Important Things You N

Appendix B: Reference Information 643If you are using trigonometric functions or performing polar and rectangular conversions, the unexpected results

Appendix B: Reference Information 644TI-84 Plus Identification CodeTI-84 Plus Identification CodeTI-84 Plus Identification CodeTI-84 Plus Identificat

Appendix B: Reference Information 645AppsAppsAppsAppsTI-84 Plus Software Applications (Apps) is software that you can add to your calculator in the s

Appendix B: Reference Information 646Error ConditionsError ConditionsError ConditionsError ConditionsWhen the TI-84 Plus detects an error, it returns

Chapter 2: Math, Angle, and Test Operations 62Entering an Expression in the Equation SolverEntering an Expression in the Equation SolverEntering an E

Appendix B: Reference Information 647BAD GUESS • In a CALC operation, you specified a Guess that is not between Left Bound and Right Bound.• For the

Appendix B: Reference Information 648DIM MISMATCH Your calculator displays the ERR:DIM MISMATCH error if you are trying to perform an operation that

Appendix B: Reference Information 649Error in Xmit• The TI-84 Plus was unable to transmit an item. Check to see that the cable is firmly connected to

Appendix B: Reference Information 650INVALID• You attempted to reference a variable or use a function where it is not valid. For example, Yn cannot r

Appendix B: Reference Information 651ITERATIONS • The solve( function or the equation solver has exceeded the maximum number of permitted iterations.

Appendix B: Reference Information 652MODE You attempted to store to a window variable in another graphing mode or to perform an instruction while in

Appendix B: Reference Information 653SINGULAR MAT• A singular matrix (determinant = 0) is not valid as the argument for L1.• The SinReg instruction o

Appendix B: Reference Information 654SYNTAX The command contains a syntax error. Look for misplaced functions, arguments, parentheses, or commas. App

Appendix B: Reference Information 655VARIABLE You have tried to archive a variable that cannot be archived or you have tried to unarchive an applicat

Appendix B: Reference Information 656Accuracy InformationAccuracy InformationAccuracy InformationAccuracy InformationComputational AccuracyComputatio

Chapter 2: Math, Angle, and Test Operations 63• Variables in the equation are listed in the order in which they appear in the equation. Any values st

Appendix B: Reference Information 657•In Full screen mode, @Y is calculated as (Ymax N Ymin) à 62. In Horiz split-screen mode, @Y is calculated as (Y

Appendix B: Reference Information 658Function ResultsFunction ResultsFunction ResultsFunction Resultssinh x, cosh x|x|  230.25850929940tanh x|x| <

Appendix C: Service and Warranty Information 659Appendix C:Appendix C:Appendix C:Appendix C:Service and Warranty InformationService and Warranty Info

Appendix C: Service and Warranty Information 660Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas Instrumen

Appendix C: Service and Warranty Information 661Texas Instruments (TI) Warranty InformationTexas Instruments (TI) Warranty InformationTexas Instrumen

Appendix C: Service and Warranty Information 662Australia & New Zealand Customers onlyAustralia & New Zealand Customers onlyAustralia & N

Appendix C: Service and Warranty Information 663All Other CustomersAll Other CustomersAll Other CustomersAll Other CustomersFor information about the

Appendix C: Service and Warranty Information 664Battery InformationBattery InformationBattery InformationBattery InformationWhen to Replace the Batte

Appendix C: Service and Warranty Information 665Effects of Replacing the BatteriesEffects of Replacing the BatteriesEffects of Replacing the Batterie

Appendix C: Service and Warranty Information 6661. Turn off the graphing calculator. Replace the slide cover over the keyboard to avoid inadvertently

Chapter 2: Math, Angle, and Test Operations 64Solving for a Variable in the Equation SolverSolving for a Variable in the Equation SolverSolving for a

Appendix C: Service and Warranty Information 667In Case of DifficultyIn Case of DifficultyIn Case of DifficultyIn Case of DifficultyHandling a Diffic

Appendix C: Service and Warranty Information 668• Select the type of data you want to delete, or select 1:All for a list of all variables of all type

Appendix C: Service and Warranty Information 669

Index 670IndexIndexIndexIndexSymbols!dim( (assign dimension) . . . . . . . . . 261(- (degrees notation) . . . . . . . . . . . . . 620(- (negation)

Index 671{ } (list indicator) . . . . . . . . . . . . . . . . 249Numerics10^( (power of ten) . . . . . . . . . . . . . . 6241-PropZInt (one-proporti

Index 672archive full error . . . . . . . . . 546, 646garbage collection . . . . . . . . . . . 542memory error . . . . . . . . . . . . . . . 542arc

Index 673home screen (ClrHome) . . . 454, 570list (ClrList) . . . . . . . . . . . . . 300, 571table (ClrTable) . . . . . . . . . 454, 571Clock . .

Index 674cosh/( (hyperbolic arccosine) . . 423, 572cosine (cos( ) . . . . . . . . . . . . . . . . . . . 53cosine (cos( ) . . . . . . . . . . . . .

Index 675invNorm( . . . . . . . . . . . . . . . 375, 585normalcdf( . . . . . . . . . . . . . 374, 592normalpdf( . . . . . . . . . . . . . 373, 593p

Index 676areas of regular n-sided polygons . . 506box plots . . . . . . . . . . . . . . . . . . . 477box with lid . . . . . . . . . . . . . . . . .

Chapter 2: Math, Angle, and Test Operations 65The default guess is calculated as .4. Edit bound={lower,upper}. lower and upper are the bounds betwee

Index 677FFaceplates . . . . . . . . . . . . . . . . . . . . . 10factorial (!) . . . . . . . . . . . . . . . . . . . . . 620family of curves . . . .

Index 678moving the cursor to a value . . . 116overlaying functions on a graph . 112panning . . . . . . . . . . . . . . . . . . . 117pausing or s

Index 679greatest common divisor (gcd( ) . . . . . 71greatest common divisor (gcd( ) . . . . 580greatest integer (int( ) . . . . . . . . . 70, 235gr

Index 680interest rate conversions4Eff( (compute effective interest rate) 402, . . . . . . . . . . . . . . . . . . . 4034Nom( (compute nominal intere

Index 681LinRegTTest (linear regression t test) . . 363, . . . . . . . . . . . . . . . . . . . . . . 588LinReqTInt (confidence interval for slope)

Index 682selecting . . . . . . . . . . . . . . . . . . . 223viewing . . . . . . . . . . . . . . . . . . . . 225MATRX EDIT menu . . . . . . . . . . .

Index 683multiplication (*) . . . . . . . . . . . . . 53, 624multiplicative inverse . . . . . . . . . . . . . 54NN (number of payment periods varia

Index 684tracing . . . . . . . . . . . . . . . . . . . . 141window variables . . . . . . . . . . . . 139Y= editor . . . . . . . . . . . . . . . . .

Index 685probability density function (normalpdf( ) 373probability density function (normalpdf( ) 593prod( (product) . . . . . . . . . . . . . 271,

Index 686RecallGDB . . . . . . . . . . . . . . . . 209, 601RecallPic . . . . . . . . . . . . . . . . . . 206, 601rectangular form, complex numbers .

Chapter 2: Math, Angle, and Test Operations 66leftNrt indicates that the equation has been evaluated at the new value of the variable for which you s

Index 687graph styles . . . . . . . . . . . . . . . . 156moving the cursor to a value . . . 163nonrecursive sequences . . . . . . 157recursive seq

Index 688STAT CALC menu . . . . . . . . . . . . . . 306STAT EDIT menu . . . . . . . . . . . . . . . 299stat list editorattaching formulas to list

Index 689tracing . . . . . . . . . . . . . . . . . . . . 326turning on/off stat plots . . . . 100, 325viewing window . . . . . . . . . . . . . 326

Index 690TEST LOGIC (Boolean menu) . . . . . . 90Text(instruction . . . . . . . . . . 198, 219, 613placing on a graph . . . . . . . 198, 219Then .

Index 691axes . . . . . . . . . . . . . . . . . . . . . . 110calculator . . . . . . . . . . . . . . . . . . . . 4coordinates . . . . . . . . . . . .

Index 692Zoom . . . . . . . . . . . . . . . . . . . . . . 38Vertical (draw line) . . . . . . . . . . 191, 616viewing window . . . . . . . . . . . .

Index 693ZPrevious (use previous window) . . . 619ZSquare (set square pixels) . . . 121, 619ZStandard (use standard window) . .122, 619Z-Test (one-s

Chapter 1: Operating the TI-84 Plus Silver Edition 4Turning On and Turning Off the TI-84 PlusTurning On and Turning Off the TI-84 PlusTurning On and

Chapter 2: Math, Angle, and Test Operations 67Using solve( on the Home Screen or from a ProgramUsing solve( on the Home Screen or from a ProgramUsing

Chapter 2: Math, Angle, and Test Operations 68MATH NUM (Number) OperationsMATH NUM (Number) OperationsMATH NUM (Number) OperationsMATH NUM (Number) O

Chapter 2: Math, Angle, and Test Operations 69Note: abs( is also available on the MATH CPX menu.round(round(round(round(round( returns a number, expr

Chapter 2: Math, Angle, and Test Operations 70fPart(value)int(int(int(int(int( (greatest integer) returns the largest integer  real or complex numbe

Chapter 2: Math, Angle, and Test Operations 71max( (maximum value) returns the larger of valueA and valueB or the largest element in list. If listA a

Chapter 2: Math, Angle, and Test Operations 72each pair of elements. If list and value are specified, gcd( finds the gcd of each element in list and

Chapter 2: Math, Angle, and Test Operations 73On the TI-84 Plus, complex numbers can be stored to variables. Also, complex numbers are valid list ele

Chapter 2: Math, Angle, and Test Operations 74In degree mode, complex identities such as e^(iq)=cos(q)+i sin(q) are not generally true because the va

Chapter 2: Math, Angle, and Test Operations 75Polar-Complex ModePolar-Complex ModePolar-Complex ModePolar-Complex ModePolar-complex mode recognizes a

Chapter 2: Math, Angle, and Test Operations 76MATH CPX (Complex) OperationsMATH CPX (Complex) OperationsMATH CPX (Complex) OperationsMATH CPX (Comple

Chapter 1: Operating the TI-84 Plus Silver Edition 5• If Automatic Power Down™ (APD™) had previously turned off the graphing calculator, the TI-84 Pl

Chapter 2: Math, Angle, and Test Operations 77real(real(real(real(real( (real part) returns the real part of a complex number or list of complex numb

Chapter 2: Math, Angle, and Test Operations 78angle(a+bi) returns tanL1(b/a).angle(re^(qi)) returns q, where Lp<q<p.abs(abs(abs(abs(abs( (absol

Chapter 2: Math, Angle, and Test Operations 794PolarPolarPolarPolar4Polar (display as polar) displays a complex result in polar form. It is valid onl

Chapter 2: Math, Angle, and Test Operations 80randrandrandrandrand (random number) generates and returns one or more random numbers > 0 and < 1

Chapter 2: Math, Angle, and Test Operations 81nCr (number of combinations) returns the number of combinations of items taken number at a time. items

Chapter 2: Math, Angle, and Test Operations 82(The variable n equals value in the syntax description above.)randInt(randInt(randInt(randInt(randInt(

Chapter 2: Math, Angle, and Test Operations 83randBin(randBin(randBin(randBin(randBin( (random Binomial) generates and displays a random integer from

Chapter 2: Math, Angle, and Test Operations 84ANGLE OperationsANGLE OperationsANGLE OperationsANGLE OperationsANGLE MenuANGLE MenuANGLE MenuANGLE Men

Chapter 2: Math, Angle, and Test Operations 85For example, enter for 30 degrees, 1 minute, 23 seconds. If the angle mode is not set to Degree, you mu

Chapter 2: Math, Angle, and Test Operations 86valuerDegree mode8DMSDMSDMSDMS8DMS (degree/minute/second) displays answer in DMS format. The mode setti

Chapter 1: Operating the TI-84 Plus Silver Edition 6Setting the Display ContrastSetting the Display ContrastSetting the Display ContrastSetting the D

Chapter 2: Math, Angle, and Test Operations 87R8Pr(x,y), R8Pq(x,y)P8Rx( converts polar coordinates to rectangular coordinates and returns x. P8Ry( co

Chapter 2: Math, Angle, and Test Operations 88TEST (Relational) OperationsTEST (Relational) OperationsTEST (Relational) OperationsTEST (Relational) O

Chapter 2: Math, Angle, and Test Operations 89Relational operators are often used in programs to control program flow and in graphing to control the

Chapter 2: Math, Angle, and Test Operations 90TEST LOGIC (Boolean) OperationsTEST LOGIC (Boolean) OperationsTEST LOGIC (Boolean) OperationsTEST LOGIC

Chapter 2: Math, Angle, and Test Operations 91valueA and valueBvalueA or valueBvalueA xor valueBnot(not(not(not(not( returns 1 if value (which can be

Chapter 3: Function Graphing 92Chapter 3:Chapter 3:Chapter 3:Chapter 3:Function GraphingFunction GraphingFunction GraphingFunction GraphingGetting St

Chapter 3: Function Graphing 93Defining GraphsDefining GraphsDefining GraphsDefining GraphsTI-84 Plus—Graphing Mode SimilaritiesTI-84 Plus—Graphing M

Chapter 3: Function Graphing 94Defining a GraphDefining a GraphDefining a GraphDefining a GraphTo define a graph in any graphing mode, follow these s

Chapter 3: Function Graphing 95• Window settings• Format settingsYou can store a picture of the current graph display to any of 10 graph picture vari

Chapter 3: Function Graphing 96Other mode settings affect graphing results. Chapter 1 describes each mode setting.•Float or 0123456789 (fixed) decima