Intersection Option
The intersection option is used to determine a point of intersection
of two graphs. While viewing a graph, press
.
Press 
.
(The intersection option can also be obtained by using the
cursor to select option 5 and pressing
.)
The cursor appears on the first graph indicated by the "1" in the upper right-hand
corner of the screen. (The selected curve is changed by pressing the 
or 
. Press when the desired curve is
selected.)
The question "1st Curve?" appears at the bottom of the screen. Press
.
The question "2nd Curve?" appears at the bottom of the screen. Press
.
The question "Lower Bound?" appears at the bottom of the screen. Press the
or 
to move the
blinking cursor to the left of the point of intersection. Press .
The question "Upper Bound?" appears at the bottom of the screen. Press the
or to move the
blinking cursor to right of the point of intersection. Press .
The coordinates of the point of intersection appear at the bottom of the screen.
Here, the point of intersection is about (0.998,2.712).