Texas Instruments TI-83 PLUS - Manual (Page 112)

TI-83 Plus Function Graphing 109
Setting the Graph Modes
Checking and Changing the Graphing Mode
To display the mode screen, press z . The default settings are
highlighted below. To graph functions, you must select Func mode
before you enter values for the window variables and before you enter
the functions.
The TI-83 Plus has four graphing modes.
•
Func (function graphing)
•
Par (parametric graphing; Chapter 4)
•
Pol (polar graphing; Chapter 5)
•
Seq (sequence graphing; Chapter 6)
Other mode settings affect graphing results. Chapter 1 describes each
mode setting.