Texas-instruments PLUS TI-89 User Manual download pdf (Page 116)

Chapter 5: Additional Home Screen Topics 99

05ADDLHM DOC TI

-

89/TI

-

92 Plus: Additional Home Screen To

p

ics (English) Susan Gullord Revised: 02/23/01 10:55 AM Printed: 02/23/01 2:13 PM Page 99 of

To: Do this:

Display a list of all

user-defined functions

Press

2°

to display the

VAR-LINK

screen. You may need to use the

„

View

toolbar menu to specify the

Function

variable type. (Refer to Chapter 21.)

— or —

Press:

TI

.

89:

½

†

TI

.

92 Plus:

2 ½ †

Display a list of Flash

application functions

Press:

TI

.

89:

½

…

TI

.

92 Plus:

2 ½ …

Display the definition

of a user-defined

function

From the

VAR-LINK

screen, highlight the

function and display the

Contents

menu.

TI

.

89

:

2ˆ

TI

.

92 Plus

:

ˆ

— or —

From the Home screen, press

2£

.

Type the function name but not the

argument list (such as

xroot

), and press

¸

twice.

— or —

From the Program Editor, open the

function. (Refer to Chapter 17.)

Edit the definition From the Home screen, use

2£

to

display the definition. Edit the definition as

necessary. Then use

§

or

Define

to save

the new definition.

— or —

From the Program Editor, open the

function, edit it, and save your changes.

(Refer to Chapter 17.)

Displaying and

Editing a Function

Definition

Note: You can view a user-

defined function in the

CATALOG dialog box, but

y

ou cannot use the

CATALOG to view or edit its

definition.

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