Texas Instruments Titanium TI-89 User Manual

Getting Started 39
Turning off the Apps desktop
Turning off the Apps desktopTurning off the Apps desktop
Turning off the Apps desktop
You can turn off the Apps desktop from the MODE dialog box. If you do, open Apps from
the APPLICATIONS menu. To open the APPLICATIONS menu, press O.
Example: Turn off the Apps desktop.
Ð
Entry/Answer pairs
22/30–Number of entry/answer pairs (default is
30, maximum is 99) in the history area of the
calculator Home screen.
Ñ Replace batteries
Displayed when batteries are low (BATT). If
BATT is highlighted with a black background,
change the batteries as soon as possible
().
Ò Busy/Pause,
Locked/Archived
variable
BUSY–Calculation or graph is in progress
PAUSE–You paused a graph or program
Œ–Variable opened in the current editor is
locked or archived and cannot be modified
Press Result
3
Indicator Meaning

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)