Texas Instruments TI-89 Titanium Short User Manual page 269

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.
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
the magnitude is dependent on
.
zFact
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.
Appendix A: Functions and Instructions
factors and . In 3D Graph mode,
xFact yFact
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd ¸
@
H
ZoomFit ¸
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd:ZoomIn ¸
, , and
xFact yFact
¸
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd:ZoomInt ¸
¸
"
¥ "
Done
Done
Done
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