Add a Curve to a Plot Macro
- 
                From the Math panel,
                    click Add.
                The Edit Plot Macros dialog is displayed.
 - Click the Curve tab.
 - Activate the Create curve check box.
 - Enter a label for the curve in the Label text box.
 - Enter X and Y coordinates.
 - If you are plotting complex data, specify the Y expression in Real/Imaginary or Phase/Magnitude.
 - Click Close.