Supplements for
Experiencing Geometry in Euclidean, Spherical, and Hyperbolic Spaces, Second Edition, 2001
David W. Henderson,
Cornell University
with writing input from
Daina Taimina
Physical Models of Spheres and Hyperbolic Planes
Dynamic Geometry Software
ListServ for Teaching Undergraduate Geometry
Shape of Space, references and latest news
Useful Websites
Annotated Bibliography
David's Home Page
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