Experiencing Geometry in Euclidean, Spherical, and Hyperbolic Spaces, Second Edition, 2001
David W. Henderson, Cornell University
with writing input from Daina Taimina
Useful Websites
Angle trisections
Articles
Devices and Machines
- University of Modena, Italy A "theater of machines" complete with pictures, animations, and mathematical proofs related to the large collection of geometric devices in the Laboratorio di Macchine Mathematiche. The text is Italian but the pictures and animations are exquisite geometry.
Fourth dimension
General geometry websites
- Cut-The-Knot . Interactive Mathematical Miscellany and Puzzles
- Geometry Center at University of Minnesota
- Geometry in Action. This page collects various areas in which ideas from discrete and computational geometry (meaning mainly low-dimensional Euclidean geometry) meet some real world applications.
- Mathematics Forum . The Math Forum is a leading center for mathematics and mathematics education on the Internet. Formerly the Swarthmore Mathematics Forum, but now at Drexel.
Geometry and Art
Geometry and Culture
History of Mathematics
Hyperbolic triangles
Individual websites
Inversions
Journal, online
Mathematics Searches and Link Lists on the Web
Quotations archive
Relativity
David's Home Page || Books || Workshop