Texas Instruments TITANIUM TI-89 User Manual

Page 187

Operating the Calculator

187

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Press the number or letter for that setting.

Note:

To cancel a menu and return to the

MODE

dialog box without making a

selection, press

4. Change other mode settings, if necessary.

5. When you finish all your changes, press

¸ to save the changes and exit the

dialog box.

Important:

If you press

N instead of ¸ to exit the

MODE

dialog box, any mode

changes you made will be canceled.

Overview of the Modes

Note:

For detailed information about a particular mode, look in the applicable section of

this guidebook.

Mode

Description

Graph

Type of graphs to plot: FUNCTION, PARAMETRIC,
POLAR, SEQUENCE, 3D, or DE.

Current Folder

Folder used to store and recall variables. Unless you
have created additional folders, only the MAIN folder is
available. Refer to “Using Folders to Store Independent
Sets of Variables” in Calculator Home Screen.

Display Digits

Maximum number of digits (FLOAT) or fixed number of
decimal places (FIX) displayed in a floating-point result.
Regardless of the setting, the total number of displayed
digits in a floating-point result cannot exceed 12.

Angle

Units in which angle values are interpreted and displayed:
RADIAN, DEGREE or GRADIAN.