To graph a function, the equation must be entered into the calculator.
to open the plot application.
Select the second line and start typing a new equation or
press to edit an existing
equation. To graph an existing
equation object press . To enter more than one equation, enter them as a
and type the equations, in single quotes, separated by commas).
To graph the equations press ( )
To exit press .
Note: An equation can be edited in the stack by pressing