Value Option
The value option is used to evaluate a selected function for a particular
value of x. Access the value option by pressing 
.
Type 
or 
.
"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 equation in the upper right hand corner indicates the function is
being evaluated. The "X" on the graph indicates the location of the point
(x,y).
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
keys.
Notice the equation in the upper left hand corner changes.
