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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:
1.25x
ù
cos(x)
!
y1(x)
¸
Done
ZoomSt
d
¸
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:
1.25x
ù
cos(x)
!
y1(x)
¸
Done
ZoomSt
d
¸
TI-89:
"
TI-92 Plus:
¥"
ZoomTrig
¸