Texas Instruments Titanium TI-89 User Manual

Symbolic Manipulation 257
Trig Displays the submenu:
tExpand — Expands trig expressions with angle sums
and multiple angles.
TCollect — Collects the products of integer powers of
trig functions into angle sums and multiple angles.
tCollect is the opposite of tExpand.
Complex Displays the submenu:
These are the same as solve, factor, and zeros; but
they also compute complex results.
Extract Displays the submenu:
getNum — Applies comDenom and then returns the
resulting numerator.
getDenom — Applies comDenom and then returns the
resulting denominator.
left — Returns the left-hand side of an equation or
inequality.
Menu Item Description

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)