Please be patient while the applet is loaded (93K)...
Once the "3D Graph" window opens, you may want to use the "Graphics" menu to make the lines thicker, and the "Controls" menu to zoom in on the hypercube before proceeding.
Drag with the mouse in the graph window to rotate the hypercube in three-space.
The "Controls" window lets you rotate the hypercube through four-space:
This hypercube is actually a coarsely parameterized torus. The values of
When you are done with the demonstration, choose the "Exit Demo" menu item from the "Windows" menu of the "Controls" window. The applet will not exit until you do so.