Texas Instruments TI-83 PLUS - Manual (Page 218)

TI-83 Plus Draw Instructions 215
Before Drawing on a Graph
The
DRAW
instructions draw on top of graphs. Therefore, before you use
the
DRAW
instructions, consider whether you want to perform one or more
of the following actions.
•
Change the mode settings on the mode screen.
•
Change the format settings on the format screen.
•
Enter or edit functions in the Y= editor.
•
Select or deselect functions in the Y= editor.
•
Change the window variable values.
•
Turn stat plots on or off.
•
Clear existing drawings with ClrDraw .
Note: If you draw on a graph and then perform any of the actions listed above,
the graph is replotted without the drawings when you display the graph again.
Drawing on a Graph
You can use any
DRAW
menu instructions except DrawInv to draw on
Func , Par , Pol , and Seq graphs. DrawInv is valid only in Func graphing.
The coordinates for all
DRAW
instructions are the display’s x-coordinate
and y-coordinate values.