Texas Instruments TI-89 Titanium User Manual

Symbolic Manipulation 242
Caution: After x is defined, it can affect all calculations that involve x (until you delete x).
Overview of the Algebra Menu
You can use the „ Algebra toolbar menu to select the most commonly used algebraic
functions.
The Algebra Menu
From the Home screen, press „ to display:
Storing 1!x affects the subsequent
calculations.calculation.
This menu is also available from the MATH
menu. Press 2I and then select
9:Algebra.

Texas Instruments TI-89 Titanium Specifications

General

Display Type	LCD
Display Resolution	160 x 100 pixels
CPU	Motorola 68000
CPU Speed	16 MHz
RAM	256 KB
Flash ROM	2.7 MB
Programming Language	TI-BASIC, Assembly
Power Source	4 AAA batteries
Connectivity	I/O port
Dimensions	7.5 x 3.5 x 1 inches