Texas Instruments TI-89 Titanium Short User Manual

Previews 49
Factoring Polynomials
Solving Equations
Solving Equations with a Domain Constraint
Steps and keystrokes Display
Factor the polynomial (x
2
N5) with respect to x.
You can enter “factor” on the entry line by
typing FACTOR on the keyboard or by pressing
„ and selecting
2:factor(.
Press „ 2 X Z 2 | 5 b X d ¸
Steps and keystrokes Display
Solve the equation x
2
N2xN6=2 with respect to x.
You can enter “solve(” on the entry line by
selecting “
solve(” from the Catalog menu, by
typing
SOLVE( on the keyboard, or by pressing
„ and selecting 1:solve(.
The status line area shows the required syntax
for the marked item in the
Catalog menu.
Press „ 1 X Z 2 | 2 X | 6 Á 2 b X d ¸
Steps and keystrokes Display
Solve the equation x
2
N2xN6=2 with respect to x
where x is greater than zero. The “with” (I)
operator provides domain constraint.
@„ 1 X Z 2 | 2 X | 6 Á 2 b X d Í X 2
à 0 ¸

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