Texas Instruments TI-89 Manual Book page 540

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
mode, the magnitude is dependent on
yFact , and
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.
factors and . In 3D Graph
xFact yFact
zFact .
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd ¸
"
TI-89:
¥ "
TI-92 Plus:
ZoomFit ¸
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd:ZoomIn ¸
,
xFact
¸
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd:ZoomInt ¸
¸
Appendix A: Functions and Instructions
Done
Done
Done
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