Bridgeway Education Network
NonEuclid (Non-Euclidean Geometry)
: An interactive simulation of the Poincaré Model of Hyperbolic Geometry for use in high school and undergraduate education.
Electronic Origami Shop
: Puzzles and games from IBM.
The Euclid Project - Dr. Robert E. Mason IV
: This sample Assignment on Circles uses the Geometer's Sketchpad and constructivist instructional procedures.
Geometry Forum Newsgroup Archives
: Eight newsgroups, an online electronic community for all those interested in geometry.
Geometry of the Sphere
: Material covered includes basic information about spheres, proof and consequences of Girard's Theorem, and a proof of Euler's Formula.
Internet Center for Mathematics Problems
: An attempt to identify and list all sources of mathematics problems and related information on the Internet.
: Jan Garner's exercises on making polyhedra. Introduction, Triangular Face Exercise, Regular Polyhedra, Find it on the Web.
Mazes - Newton's Apple
: Make a Moebius strip; drawings by M.C. Escher; the right-hand rule; networks and their applications.
Nancy Casey's Knot Theory
: New Ideas about Knots.
: Studies on-line.
Pythagorean Triples Generator
: A series of tutorials that teach students how to tessellate.