Torus Sketch is a simple, descriptively-named interactive program for drawing on a square torus. “Simple”…
Tag: math
On Collaboration Across Space and Time
Digitization of public domain ebooks at Distributed Proofreaders (DP) for Project Gutenberg (PG) involves collaboration…
Theory of Finite Groups
Theory of Finite Groups by William Burnside is among the most modern books I helped…
Expositions by De Morgan
Augustus De Morgan was an eminent English mathematician and logician of the mid-19th century. The…
Phosphene
Phosphene is a truchet tile board with a selection of tile shapes, colors, and board…