Texas Instruments TI-89 Titanium User Manual

Numeric Solver 660
see how many solutions exist and use the cursor to select an accurate initial guess and
bounds.
Displaying the Graph
In the Numeric Solver, leave the cursor on the
unknown variable. Press … and select:
1:Graph View
– or –
3:ZoomStd
– or –
4:ZoomFit
The graph is shown in a split screen, where:
• The unknown variable is plotted on the x
axis.
•
leftNrt is plotted on the y axis.
Solutions for the equation exist at
leftNrt=0,
where the graph crosses the x axis.
Note: For more information, refer to the Split
Screens module.
Graph View uses the
current Window
variable values.
For information about
ZoomStd and
ZoomFit, refer to
Basic Function
Graphing.
The current graph
format settings are
used.

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