Jeff Weeks, the author of SnapPea, has written some new educational games this year that are highly worth trying out:
There seems to be a labeling mistake in one of the games. Under the topology menu, what he calls a torus is really the 2-torus tiled by hexagons in the euclidean plane.
Comment by Mayer A. Landau — September 4, 2009 @ 8:08 am
No, it’s a torus.
Comment by haha — June 26, 2012 @ 8:27 pm
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