Rename a Curve
- 
                From the Define Curves dialog, select a curve from the Curve list or pick a curve from
                    the window.
                The name of the curve is displayed in the text box above the list.
 - Highlight the name of the curve in the text box.
 - Type a new name for the curve.
 - 
                Press Enter.
                The new name is displayed in the list and in the legend.