Texas Instruments PLUS TI-89 - Manual (Page 542)

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: [ ë 10, 10, 1], y: [ ë 10, 10, 1] and xres=2
Parametric graphing:
t: [0, 2 p , p /24], x: [ ë 10, 10, 1], y:[ ë 10, 10, 1]
Polar graphing:
q : [0, 2 p , p /24], x: [ ë 10, 10, 1], y: [ ë 10, 10, 1]
Sequence graphing:
nmin=1, nmax=10, plotStrt=1, plotStep=1,
x: [
ë 10, 10, 1], y: [ ë 10, 10, 1]
3D graphing:
eye q °=20, eye f °=70, eye ψ °=0
x: [ ë 10, 10, 14], y: [ ë 10, 10, 14],
z: [ ë 10, 10], ncontour=5
Differential equations graphing:
t: [0, 10, .1, 0], x: [ ë 1, 10, 1], y: [ ë 10, 10, 1],
ncurves=0, Estep=1, diftol=.001, fldres=14,
dtime=0
In function graphing mode:
1.25xù cos(x)! y1(x) ¸ Done
ZoomStd ¸
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 [ ë 4, 4, .5] , and updates the viewing
window.
In function graphing mode:
1.25xù cos(x)! y1(x) ¸ Done
ZoomStd ¸
TI-89: "
TI-92 Plus: ¥ "
ZoomTrig ¸