mathpuzzle.com

About

mathpuzzle.com is a long-running personal site by recreational mathematician Ed Pegg Jr of Champaign, Illinois, published under his own name and copyright since 1998, dedicated to mathematical recreations in the spirit of Martin Gardner's Mathematical Games column. Alongside an extensive archive of math-game write-ups, puzzles and tiling collections it also acts as a one-person publisher: he designed and sells Chaos Tiles, a 90-piece domino-like tiling game (50 convex Veks and 40 concave Kays) described on-site as his own development and patent pending, plus Hoffman-Singleton playing cards. Th…