Texas Instruments TI-89 사용자 설명서

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

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).