Texas Instruments Titanium TI-89 User Manual

Basic Function Graphing 324
Using QuickCenter
Using QuickCenterUsing QuickCenter
Using QuickCenter
If you trace a function off the top or bottom of the viewing window, you can press ¸
to center the viewing window on the cursor location.
After QuickCenter, the cursor stops tracing. If you want to continue tracing, press ….
You can use QuickCenter at any time during a trace, even when the cursor is still on the
screen.
Canceling Trace
Canceling TraceCanceling Trace
Canceling Trace
To cancel a trace at any time, press N.
A trace is also canceled when you display another application screen such as the Y=
Editor. When you return to the Graph screen and press … to begin tracing:
• If Smart Graph regraphed the screen, the cursor appears at the middle x value.
• If Smart Graph does not regraph the screen, the cursor appears at its previous
location (before you displayed the other application).
Before using QuickCenter
After using QuickCenter

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)