TI -82 Manual Book page 90

Selecting Parametric Equations
Only the selected parametric equations are graphed. The
components of selected equations is highlighted. You may select any or all
of the equations on the parametric
To change the selection status of a parametric equation, press | to move
the cursor onto the
The status on both the
Note: When you enter both components of an equation or edit either
component, that equation is selected automatically.
Setting WINDOW Variables
Press p to display the current
WINDOW
standard values in
Tmin=0
Tmax=6.2831853
Tstep=.1308996
Xmin=-10
Xmax=10
Xscl=1
Ymin=-10
Ymax=10
Yscl=1
You may want to change the
sufficient points are plotted.
4-4 Parametric Graphing
= sign on either the
and
X
variables define the viewing
Radian MODE
Smallest
Largest
T value increment (pà24)
Smallest
Largest
Spacing between
Smallest
Largest
Spacing between
edit screen.
Y=
component and press Í.
X or Y
components is changed.
Y
WINDOW variable values. The
WINDOW
.
T value to evaluate
T value to evaluate (2p)
value to be displayed
X
X value to be displayed
X tick marks
value to be displayed
Y
Y value to be displayed
Y tick marks
T WINDOW variable values to ensure that
sign on both
=
. The values shown are the