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Re: Hyperbolic Sketchpad
Posted:
Feb 21, 1995 5:40 AM
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In the summer of '93 I was at the Regional Geometry Institute at Smith
College and saw at least two different pieces of software for
hyperbolic geometry and one for spherical geometry demonstrated.
I believe one of the hyperbolic geometry programs was called SnapPea,
and another was demonstrated by John Conway, who may even be reading
this list. The spherical geometry package was, I think, called
Cinderella, and was developed in France.
The bad news is that only SnapPea seemed to run on Macintosh
computers. Both the others looked like they needed a Next machine or
something even bigger.
I know you can build models of the Poincare disk using Sketchpad.
Does Key Curriculum sell spheres for studying spherical geometry?
There ought to be a list somewhere of what geometry software exists
and how to get it. Does anyone know of such a list?
Heidi Burgiel
burgiel@math.washington.edu
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