Texas Instruments Titanium TI-89 User Manual

898 Appendix A: Functions and Instructions
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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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
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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
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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)