Setting The Graph Format - Texas Instruments TITANIUM TI-89 User Manual

Variable Description
step Increment for the
q
at:
r( q min)
r( min+
q
r( q min+2(
... not to exceed ...
r( q max)
xmin, xmax, Boundaries of the viewing window.
ymin, ymax
xscl, yscl Distance between tick marks on the x and y axes.
You can use a negative q
Note:
Standard values (set when you select
q min = 0.
(6.2831853... radians or
q max = 2 p
360 degrees)
(.1308996... radians or 7.5
step = /24
q p
degrees)
You may need to change the standard values for the q variables (q
ensure that enough points are plotted.

Setting the Graph Format

Setting the Graph Format
Setting the Graph Format Setting the Graph Format
To display coordinates as
Polar Graphing
value. Polar equations are evaluated
q
step)
q
q step))
. If so, q
step
6:ZoomStd
and q values, use:
r
must be greater than q
min
from the „
xmin = L 10. ymin =
xmax = 10. ymax = 10.
xscl = 1. yscl = 1.
.
max
toolbar menu) are:
Zoom
L 10.
, q , q
min max step
) to
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