Texas Instruments TI-89 Titanium User Manual

Numeric Solver 662
1. Move the cursor (either free-moving or trace) to the point that you want to use as the
new guess.
Returning to a Full Screen
From the split screen:
• To display the Numeric Solver full screen, use 2a to make the solver screen
active, press …, and then select
2:Clear Graph View.
– or –
• To display the Home screen, press 2K twice.
2. Use 2a to make the Numeric
Solver screen active.
3. Make sure the cursor is on the
unknown variable, and press †.
Note: Cursor coordinate xc is the
unknown variable value, and yc is the
leftNrt value.
4. Press „ to re-solve the equation.
† sets the graph
cursor’s xc value as
an initial guess and
the yc value as left
Nrt.
The graph’s xmin and
xmax values are set
as the bounds.

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