Texas Instruments TI-83 Manual Book page 173

To change the selection status, move the cursor onto the
then press Í.
Setting Window Variables
To display the window variable values, press p. These variables
define the viewing window. The values below are defaults for
graphing in
Radian
qmin=0
qmax=6.2831853...
qstep=.1308996...
Xmin=L10
Xmax=10
Xscl=1
Ymin=L10
Ymax=10
Yscl=1
Note: To ensure that sufficient points are plotted, you may want to change the q
window variables.
TI-83 Plus Polar Graphing
angle mode.
Smallest q value to evaluate
Largest q value to evaluate (2p)
Increment between q values (pà24)
Smallest X value to be displayed
Largest X value to be displayed
Spacing between the X tick marks
Smallest Y value to be displayed
Largest Y value to be displayed
Spacing between the Y tick marks
sign, and
=
Pol
170