
Archives
 August 2016
 July 2016
 April 2015
 December 2014
 August 2014
 June 2014
 February 2014
 November 2013
 August 2013
 July 2013
 May 2013
 April 2013
 March 2013
 October 2012
 July 2012
 May 2012
 February 2012
 December 2011
 August 2011
 July 2011
 May 2011
 April 2011
 August 2010
 November 2009
 May 2009
 July 2007
 June 2006
 May 2006

Meta
Monthly Archives: July 2016
Almostmagic squares of squares
In the last post we saw that every 3×3 almostmagic square is a rearrangement of three threeterm arithmetic progressions that have the same common difference. In other words, if we pick any three numbers x, y and z, and any … Continue reading
Posted in chatter, Mathematics
2 Comments
Magic squares of squares: Part I
A recent Numberphile video discussed an intriguing unsolved problem in number theory: is there a 3×3 magic square whose entries are all square numbers? (Matt Parker proposed a solution which doesn’t quite work: see the video for more. The “Parker … Continue reading
Posted in chatter, Mathematics
2 Comments