Texas Instruments TI-89, TI-92

Appendix A: Functions and Instructions 525

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 525 of 132

ZoomStd CATALOG

ZoomStd

Sets the window variables to the following

standard values, and then updates the

viewing window.

Function graphing:

x: [ë10, 10, 1], y: [ë10, 10, 1] and xres=2

Parametric graphing:

t: [0, 2p, p/24], x: [ë10, 10, 1], y:[ë10, 10, 1]

Polar graphing:

q: [0, 2p, p/24], x: [ë10, 10, 1], y: [ë10, 10, 1]

Sequence graphing:

nmin=1, nmax=10, plotStrt=1, plotStep=1,

x: [ë10, 10, 1], y: [ë10, 10, 1]

3D graphing:

eyeq°=20, eyef°=70, eyeψ°=0

x: [ë10, 10, 14], y: [ë10, 10, 14],

z: [ë10, 10], ncontour=5

Differential equations graphing:

t: [0, 10, .1, 0], x: [ë1, 10, 1], y: [ë10, 10, 1],

ncurves=0, Estep=1, diftol=.001, fldres=14,

dtime=0

In function graphing mode:

1.25xùcos(x)!y1(x) ¸Done

ZoomSt

ZoomSto CATALOG

ZoomSto

Stores the current Window settings in the

Zoom memory. You can use ZoomRcl to

restore the settings.

ZoomTrig CATALOG

ZoomTrig

Displays the Graph screen, sets @x to p/24,

and xscl to p/2, centers the origin, sets the y

settings to [ë4, 4, .5], and updates the viewing

window.

In function graphing mode:

1.25xùcos(x)!y1(x) ¸Done

ZoomSt

TI-89: "

TI-92 Plus: ¥"

ZoomTrig ¸