- Hyperbolic tilings.
(Linux compatible C-source: hyp.tar "tar -xzvf hyp.tar" to extract). - Some work of mine on exactly counting contingency tables (an example result).
- An optimal solution to the Mintman sliding puzzle (coloring by mjw+@cs.cmu.edu).
- Views from my 1988 interactive knot editor.
(Linux compatible C-source: knotEd.tar "tar -xzvf knotEd.tar" to extract).