Texas Instruments TI-89 Titanium User Manual

Numeric Solver 658
For the bounds, you can also enter variables or expressions that evaluate to appropriate
values (
bound={lower,upper}) or a valid list variable that contains a two-element list
(
bound=list). The bounds must be two floating point elements with the first one less than
or equal to the second one.
Note: You can also select an initial guess graphically.
Solving for the Unknown Variable
After you type an equation in the Numeric Solver and enter values for the known
variables, you are ready to solve for the unknown variable.
Finding the Solution
With all known variables defined:
1. Move the cursor to the unknown variable.
2. Press „
Solve.
3. A é marks the solution and
leftNrt.
The édisappears when you edit a value,
move the cursor to the equation, or leave
the solver.
Put the cursor on the
variable you want to
solve for.

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