The OpenGL view toolbar button or the View | OpenGL View menu shows 3D curved surface.

Press the left mouse button at the margins of window and without releasing the mouse, rotate a surface.

Press the left mouse button at the center of window and without releasing the mouse, move a surface.

Double-click the window or choose the Image | Format command and modify 3D view. Also you can change the lighting, digital ticks and perspective prosperities.

To start the rotating, double-click the rotating axis and then double-click the Rotatings tree item. To stop it, double-click the Rotatings again.

The Image | Full window command displays a surface without a title and a scale.

The Image | Full screen command rotate a surface in the hardware accelerator mode, if drives allows it. Press the Esc key to stop it.