Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 262
Note: The simult and rref matrix functions are not on the „ Algebra menu. Use
2I
4 or the Catalog.
Use the simult function with a
matrix.
Enter the coefficients as a matrix and
the results as a constant column
matrix.
Use the rref function with a matrix. Enter the coefficients as an
augmented matrix.
Method Example

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)