Texas Instruments TI-89 Titanium User Manual

Appendix A: Functions and Instructions 871
ZoomFit CATALOG
ZoomFit
Displays the Graph screen, and calculates the
necessary window dimensions for the dependent
variables to view all the picture for the current
independent variable settings.
In function graphing mode:
1.25xù cos(x)! y1(x) ¸ Done
ZoomStd
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@ "
H ¥ "
ZoomFit
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ZoomIn CATALOG
ZoomIn
Displays the Graph screen, lets you set a center
point for a zoom in, and updates the viewing
window.
The magnitude of the zoom is dependent on the
Zoom factors xFact and yFact . In 3D Graph mode,
the magnitude is dependent on
xFact , yFact , and
zFact .
In function graphing mode:
1.25xù cos(x)! y1(x) ¸ Done
ZoomStd:ZoomIn
¸
¸
ZoomInt CATALOG
ZoomInt
Displays the Graph screen, lets you set a center
point for the zoom, and adjusts the window settings
so that each pixel is an integer in all directions.
In function graphing mode:
1.25xù cos(x)! y1(x) ¸ Done
ZoomStd:ZoomInt
¸
¸

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