Texas Instruments Titanium TI-89 User Manual

Getting Started 21
To return the Language mode setting to English, repeat the steps, selecting 1:English in
the Language field.
Using the Catalog to access commands
Using the Catalog to access commands Using the Catalog to access commands
Using the Catalog to access commands
Use the Catalog to access a list of TI-89 Titanium commands, including functions,
instructions, and user-defined programs. Commands are listed alphabetically.
Commands not beginning with a letter are found at the end of the list (&, /, +, –, etc.).
The Catalog Help App includes details about each command.
Options not currently valid are grayed out. For example, the Flash Apps
(
…) menu option is grayed out if no Flash applications are installed on your TI-89
Titanium; the User-Defined (
†) menu option is grayed out if you have not created a
function or program.
¸
Note: The previous open App
appears (in this example, the
calculator Home screen).
Press Result

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)