Texas Instruments TI-89 Manual Book page 116

Displaying and
Editing a Function
Definition
Note: You can view a user-
defined function in the
CATALOG dialog box, but
you cannot use the
CATALOG to view or edit its
definition.
To:
Display a list of all
user-defined functions
Display a list of Flash
application functions
Display the definition
of a user-defined
function
Edit the definition
Chapter 5: Additional Home Screen Topics
Do this:
Press 2 ° to display the
screen. You may need to use the „
toolbar menu to specify the
variable type. (Refer to Chapter 21.)
— or —
Press:
½ †
TI.89:
2 ½ †
TI.92 Plus:
Press:
½ ...
TI.89:
2 ½ ...
TI.92 Plus:
From the screen, highlight the
VAR-LINK
function and display the
: 2 ˆ
TI.89
: ˆ
TI.92 Plus
— or —
From the Home screen, press 2 £.
Type the function name but not the
argument list (such as
¸ twice.
— or —
From the Program Editor, open the
function. (Refer to Chapter 17.)
From the Home screen, use 2 £ to
display the definition. Edit the definition as
necessary. Then use § or
the new definition.
— or —
From the Program Editor, open the
function, edit it, and save your changes.
(Refer to Chapter 17.)
VAR-LINK
View
Function
menu.
Contents
), and press
xroot
to save
Define
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