| 1. | In the 3D Graphing view, select Actions > Hide/Show. |
The Hide/Show tool 
appears, and all hidden items are displayed in gray.
| 2. | Tap a graph to change its hide/show state. |
| 3. | To apply the changes and dismiss the tool, press Esc. |
Note: If you want to show or hide only the graph's label, see Showing or Hiding a Graph’s Label.