## Value Option

The value option is used to evaluate a selected function for a particular
value of x. While viewing a graph, press
, followed by
.

Press and
"x =" appears at the bottom of the screen.
Type a value of x. For x = 1.5, type "1.5" and the corresponding value of y
will be displayed.

The cursor on the graph indicates the location of the point (x,y).
Press
or
to switch graphs.

**Note:** Press or
to trace along a graph. The x and y coordinates of the cursor will be displated. The typed value of x must be between the xmin and xmax values entered in the
window.