Texas-instruments TI-73 EXPLORER User Manual Page 313

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Appendix A: Function and Instruction Reference
307
73A-ENG.DOC AppxA: Function/Instruction Reference, English Julie Hewlett Revised: 07/29/98 1:10 PM Printed:
05/19/99 9:03 AM Page 307 of 36
Stop
8
CTL
Programming command; ends program execution and
returns to Home screen.
PROGRAM:STOP
:Input "T=",T
:If T
20
:Then
:Disp "T
20"
:Pause
:Else
:Stop
StorePic number
2
STO
Stores the current graph display in one of three
picture variables.
number
is
1
,
2
, or
3
(for variable
Pic1
,
Pic2
,
or Pic3
).
Line(0,0,6,6)
b
StorePic 2
b
Done
sum(list
[,start,end])
-v
MATH
Returns the sum of all elements in
list
. Specify the
additional optional arguments to return the sum of the
range of elements between
start
and
end
.
sum({1,2,4,8})
b
15
sum({1,2,4,8},2,4)
b
14
sum({1,2,4,8},3)
b
12
tan(value)
-u
TRIG
Returns the tangent of a real number, expression, or
all elements in a list. Results are determined by the
Angle mode setting (
Degree
or
Radian
).
In Degree mode:
tan(0)
b
0
tan({0,1,30})
b
{0 .0174550649 .5773502692}
In Radian mode:
tan(
p
/4)
b
1
tan({
p
/2,
p
/4,0})
b
{1 0 0}
tan
L
1
(value)
-u
TRIG
Returns the arctangent of a real number, expression,
or each element in a list.
Since tan=sin
à
cos, tan
is undefined when cos=0.
Results are determined by the Angle mode setting
(
Degree
or
Radian
).
In Degree mode:
tan
(1)
b
45
tan
({.5,1,0))
b
{26.56505118 45 0}
In Radian mode:
tan
(.5)
b
.463647609
tan
({.5,1,0))
b
{.463647609 .7853981634 0}
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