Texas Instruments Titanium TI-89 User Manual

Operating the Calculator 175
To highlight multiple characters:
To replace or delete the highlighted characters:
Menus
MenusMenus
Menus
To leave the keyboard uncluttered, the calculator uses menus to access many operations.
This section gives an overview of how to select an item from any menu. Specific menus
1. Move the cursor to either side of the
characters you want to highlight.
2. Hold ¤ and press A or B to highlight
characters left or right of the cursor.
1. Type the new characters.
2. Press 0.
Note: When you highlight characters to
replace, remember that some function
keys automatically add an open
parenthesis.
To replace sin( with
cos(, place the cursor
beside sin.
Hold ¤ and press
B B B B.

Texas Instruments Titanium TI-89 Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
Memory	188 KB RAM, 2.7 MB Flash ROM
Type	Graphing Calculator
Display	Monochrome
Processor	Motorola 68000
Processor Speed	12 MHz
Power Source	4 AAA batteries
Connectivity	USB
Programming	TI-BASIC, Assembly
Operating System	AMS (Advanced Mathematics Software)