Texas Instruments TITANIUM TI-89 User Manual page 352

Variable Description
xscl, yscl Distance between tick marks on the x and y axes.
Standard values (set when you select
tmin = 0
(6.2831853... radians
tmax = 2
p
or 360 degrees)
(.1308996... radians
tstep = /24
p
or 7.5 degrees)
You may need to change the standard values for the
ensure that enough points are plotted.
Exploring a Graph Exploring a Graph
Exploring a Graph Exploring a Graph
As in function graphing, you can explore a graph by using the following tools.
During a trace, you can also evaluate
Note:
pressing ¸. You can use QuickCenter at any time during a trace, even if the cursor is
still on the screen.
Tool For Parametric Graphs:
Free-Moving Works just as it does for function graphs.
Cursor
Parametric Graphing
from the „
6:ZoomStd
xmin = L 10. ymin =
xmax = 10. ymax = 10.
xscl = 1. yscl = 1.
variables (
t
and
x(t) y(t)
toolbar menu) are:
Zoom
L 10.
,
tmin tmax
by typing the value and
t
, ) to
tstep
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