Texas Instruments TITANIUM TI-89 - Manual (Page 191)

Operating the Calculator 191
• When defining a variable that you want to retain, use more than one character in the
name. This prevents it from being deleted inadvertently by
1:Clear a–z .
• For information about checking and resetting memory or other system defaults, refer
to Memory and Variable Management.
Using the Catalog Dialog Box Using the Catalog Dialog Box Using the Catalog Dialog Box Using the Catalog Dialog Box
The CATALOG provides a way to access any built-in command (functions and
instructions) from one convenient list. In addition, the CATALOG dialog box lets you
select functions used in Flash applications or user-defined functions (if any have been
loaded or defined).
Displaying the CATALOG Displaying the CATALOG Displaying the CATALOG Displaying the CATALOG
To display the CATALOG dialog box, press:
½
The CATALOG defaults to „
Built-in , which displays an alphabetic list of all pre-
installed commands (functions and instructions).
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