The value option is used to evaluate a selected function for a particular
value of x. Access the value option by pressing .
"Eval x =" appears at the bottom of the screen.
Type a value of x. For x = 2, type "2" and the corresponding value of
y will be displayed.
The "1" in the upper right hand corner indicates that the first function
is being evaluated. The "X" on the graph indicates the location of the
Note: The typed value of x must be between the Xmin and Xmax values entered in .
To evaluate other functions already graphed, press the up or down cursor
Notice the "1" in the upper right hand corner changes.
For function "2", press .
For function "3", press ,