Get details about this 3D and 2D graphing program. Download the software from the site or order it by mail.

Review this CAD system that helps users create geometric paper sculptures. Includes a gallery and a collection of publications.

Exhibits a collection of Java applets that explain concepts in geometry. Includes games, animations and links to related sites.

Offers a virtual straightedge and compass through a Java applet named after Euclid. Includes links and contact information.

Investigate and construct polyhedra with this shareware program. Includes system requirements and downloading information.

Provides a technical explanation of how stereograms and their 3D effect work. Download a related Java program called StereoGrinder.