Setting The Graph Format - Texas Instruments TI-89 Titanium 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

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
330