The intersection option is used to determine a point of intersection of two graphs. While viewing a graph, press to view the math menu.

Press to select the intersect option.

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 cursor appears on the second graph indicated by the "2" in the upper right-hand corner of the screen. Press when the second desired curve is selected and the cursor is near the desired point.

The coordinates of the point of intersection appear at the bottom of the screen. Here, the point of intersection is about (2.208,6.791).