Math Magic 2018 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

Stick Breaking Probabilities
(January 2018)

updated 1/1/18

Close Prime Signatures
(February 2018)

updated 2/20/18

Primorial Problems
(March 2018)

updated 3/1/18

Packing Digits in Rectangles
(April 2018)

updated 4/26/18

N-ary Circle Trees
(May 2018)

updated 5/1/18

Permutation Polynomials
(June 2018)

updated 6/1/18

Neighborly Squares
(July 2018)

updated 9/29/18

Covering Equal Squares with
Consecutive Squares
(August 2018)

updated 8/1/18

City Substitution Equations
(September 2018)

updated 9/1/18

Sum-Product Polyominoes
(October 2018)

updated 10/1/18

Skyline
(November 2018)

updated 11/23/18

More Polyomino Problems
(December 2018)

updated 12/16/18