Math Magic 2000 Archive
Tiling Reptiles Packing Squares Circles Covering Touching Graphs Numbers Digits Matrices Chess Games Other
1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Bracing Polygons
(January 2000)

updated 10/1/06

Adding Digits Pairwise
(February 2000)

updated 8/27/11

Longest Sokoban Games
(March 2000)

updated 10/24/12

Packing Two Square Sizes
(April 2000)

updated 5/24/15

Counting Domino Tilings
(May 2000)

updated 1/15/05

Problems with L's
(June 2000)

updated 3/14/05

Cayley Graphs of
Sliding Puzzles
(July 2000)

updated 7/22/00

Friedman Numbers
(August 2000)

updated 1/30/20

Covering Squares
(September 2000)

updated 3/29/16

Graphs with
No 4-Cycles
(October 2000)

updated 5/26/03

Variants of Nim
(November 2000)

updated 11/17/08

Power Products
(December 2000)

updated 12/14/00