Texas Instruments TI-89 Titanium User Manual page 875

ZoomOut
CATALOG
ZoomOut
Displays the Graph screen, lets you set a center
point for a zoom out, and updates the viewing
window.
The magnitude of the zoom is dependent on the
factors
Zoom
the magnitude is dependent on
.
zFact
ZoomPrev
CATALOG
ZoomPrev
Displays the Graph screen, and updates the viewing
window with the settings in use before the last
zoom.
ZoomRcl
CATALOG
ZoomRcl
Displays the Graph screen, and updates the viewing
window using the settings stored with the
instruction.
ZoomSqr
CATALOG
ZoomSqr
Displays the Graph screen, adjusts the
window settings so that each pixel represents an
equal width and height in the coordinate system,
and updates the viewing window.
In
3D Graph
shortest two axes to be the same as the longest
axis.
872
and . In 3D Graph mode,
xFact yFact
,
xFact yFact
x
mode, lengthens the
ZoomSqr
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd:ZoomOut ¸
, and
¸
ZoomSto
In function graphing mode:
or
y
1.25xù cos(x)! y1(x) ¸
ZoomStd ¸
"
ZoomSqr ¸
Appendix A: Functions and Instructions
Done
Done