Texas Instruments TI-89, TI-92

524 Appendix A: Functions and Instructions

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 524 of 132

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 Zoom factors xFact and yFact. In 3D Graph

mode, the magnitude is dependent on xFact,

yFact, and zFact.

In function graphing mode:

1.25xùcos(x)!y1(x) ¸Done

ZoomSt

:ZoomOut

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 ZoomSto instruction.

ZoomSqr CATALOG

ZoomSqr

Displays the Graph screen, adjusts the x or y

window settings so that each pixel represents

an equal width and height in the coordinate

system, and updates the viewing window.

In 3D Graph mode, ZoomSqr lengthens the

shortest two axes to be the same as the

longest axis.

In function graphing mode:

1.25xùcos(x)!y1(x) ¸Done

ZoomSt

ZoomSqr ¸