Texas Instruments TI-83 Manual Book page 110

Setting the Graph
Format
Displaying a
Graph
Window
Variables and
Y-VARS Menus
4-6 Parametric Graphing
To display the current graph format settings, press y
[ ]. Chapter 3 describes the format settings in detail.
FORMAT
The other graphing modes share these format settings;
graphing mode has an additional axes format setting.
When you press s, the TI-83 plots the selected
parametric equations. It evaluates the
for each value of
), and then plots each point defined by
Tstep
window variables define the viewing window.
As the graph is plotted,
Smart Graph applies to parametric graphs (Chapter 3).
You can perform these actions from the home screen or a
program.
Access functions by using the name of the
component of the equation as a variable.
Store parametric equations.
Select or deselect parametric equations.
Store values directly to window variables.
(from to
T Tmin Tmax
, , and
X Y T
and components
X Y
in intervals of
and
X Y
are updated.
or
X Y
Seq
. The