Math Magic Miscellaneous 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

Angle Frequencies
(January 1999)

updated 1/28/99

Bracing Polygons
(January 2000)

updated 10/1/06

Problems with L's
(June 2000)

updated 3/14/05

Linear Polyominoes
(March 2001)

updated 10/24/12

Robot Rooms
(November 2001)

updated 9/6/12

Minimal Critical Circuits
(March 2002)

updated 1/6/03

Cellular Growth Model
(September 2002)

updated 9/12/02

Mathematical Cellular Automata
(January 2003)

updated 6/29/14

Efficient Stamps
(April 2003)

updated 6/21/10

Snake Squares
(May 2003)

updated 9/29/20

Thunderball
(March 2004)

updated 4/5/04

Areas of Rigid Tents
(April 2005)

updated 4/29/05

Unique Path Puzzles
(September 2006)

updated 7/31/11

Polyomino Intersections
(January 2007)

updated 1/15/07

Describing Letters
With Phrases
(February 2009)

updated 1/6/11

The Elevator Problem
(November 2009)

updated 11/13/09

Unique Math Puzzles
(September 2010)

updated 9/25/10

Counting Hamiltonian Circuits
(November 2010)

updated 11/8/10

Weight Puzzles
(December 2012)

updated 12/20/12

Approximating Resistances
(November 2013)

updated 11/30/13

Faces of Polycubes
(June 2014)

updated 8/2/14

Rigid Points
Inside a Square
(August 2014)

updated 8/1/14

Knight Life
(January 2015)

updated 1/11/15

Inefficient Greedy Cycles
(May 2015)

updated 5/10/15

Polyomino Barriers
Creating n Paths
(June 2015)

updated 6/1/15

Power Indices
(November 2015)

updated 11/1/15

Modeling Political Platforms
(December 2017)

updated 11/19/17

Stick Breaking Probabilities
(January 2018)

updated 1/1/18

Permutation Polynomials
(June 2018)

updated 6/1/18

Long Replacement Puzzles
(July 2020)

updated 7/1/20