Math Magic Circle Packing 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

Some Circle Problems
(October 2005)

updated 7/14/07

Placing Circles To
Obstruct Circles
(February 2008)

updated 3/3/08

Packing Circles and
Squares in Rectangles
(June 2010)

updated 2/26/19

Integer Circle Packings
(March 2011)

updated 4/1/11

Pizza Packing
(January 2012)

updated 1/26/12

Packing Tuna
and Soup Cans
(October 2012)

updated 10/24/12

Packing a Square with
2 Sizes of Circles
(May 2014)

updated 5/23/14

Product-Maximizing Packings
(December 2019)

updated 12/1/19

Packing Circles in Squares
to Avoid Others
(January 2020)

updated 1/15/20