Edit 3D Custom Function

Click the Edit button in the Function Name Manager (after selecting an existing 3D custom function) to display the Edit 3D Custom Function dialog box.

Range

Use the Range group box to specify the ranges (i.e., Minimum and Maximum values) for the custom function in the two horizontal (x and y) dimensions. Note that additional options for controlling these ranges are available in the Graph Options dialog box - Custom Function (3D XYZ Graphs) tab.

Function guide

Select the Function guide check box to display a list of possible functions and related properties when you enter a custom function into the Function box.

Function Z(x,y) =

Type in the function you want to plot in the Z(x,y) = box. Note that if you have selected the Function guide check box, a menu with possible characters or functions will appear as you type. You can choose from any item on the menu, or type the function yourself.