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Texas Instruments TI-89 Titanium

Texas Instruments TI-89 Titanium
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Operating the Calculator 179
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
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
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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Ë
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