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Appendix A: Functions and Instructions 523
8992APPA.DOC TI-89 / TI-92 Plus: Appendix A (US English) Susan Gullord Revised: 02/23/01 1:48 PM Printed: 02/23/01 2:21 PM Page 523 of 132
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:
1.25x
ù
cos(x)
!
y1(x)
¸
Done
ZoomSt
d
¸
TI-89:
"
TI-92 Plus:
¥"
ZoomFit
¸
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:
1.25x
ù
cos(x)
!
y1(x)
¸
Done
ZoomSt
d
: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:
1.25x
ù
cos(x)
!
y1(x)
¸
Done
ZoomSt
d
:ZoomInt
¸
¸