Using the Data Graph window allows you to select a point in a graph and return its data to your calculations. To select an item in a data graph, see the following instructions.

1. Click a point of a curve.
   Tip:

   To see the value of the selected point, rest the mouse pointer over the point.

   To see the properties of the selected point, click the Variables tab.

   A pair of cross hairs appears around the selected point.