HP 39G

4-2 Parametric aplet
Set angle
measure
3. Set the angle measure to degrees.
>6+,)7@
MODES
&+226_
Select Degrees 2._
Set up the plot 4. Display the graphing options.
>6+,)7@
PLOT
You can see the Plot Setup input form has two fields not
included in the Function aplet, TRNG and TSTEP. TRNG
specifies the range of t values. TSTEP specifies the step
value between t values.
5. Set the TRNG and TSTEP so that t steps from 0° to 360°
in 5° steps.
*A,360 2._
5 2._
Plot the
expression
6. Plot the expression.
>3/27@
7. To see all the circle, press
0(18_ twice.
0(18_0(18_