Texas Instruments TI-89 Titanium Short User Manual page 271

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]
Parametric graphing:
t: [0, 2p, p/24], x: [ë 10, 10, 1], y:[ë 10, 10, 1]
Polar graphing:
q: [0, 2p, 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:
eyeq°=20, eyef°=70, eyeψ°=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
ZoomSto
CATALOG
ZoomSto
Stores the current Window settings in the
memory. You can use
settings.
ZoomTrig
CATALOG
ZoomTrig
Displays the Graph screen, sets
to
xscl
to
[ë 4, 4, .5]
+
«
(add)
key
expression1 expression2
+
Returns the sum of
Appendix A: Functions and Instructions
ZoomRcl
, centers the origin, sets the
p/2
, and updates the viewing window.
⇒
expression
expression1
In function graphing mode:
1.25xù cos(x)! y1(x) ¸
ZoomStd ¸
and
xres=2
Zoom
to restore the
In function graphing mode:
to , and
@x p/24
1.25xù cos(x)! y1(x) ¸
settings
y
ZoomStd ¸
@
H
ZoomTrig ¸
56 ¸
ans(1)+4 ¸
and .
expression2
ans(1)+4 ¸
ans(1)+4 ¸
ans(1)+4 ¸
"
¥ "
Done
Done
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