New in MathWorld -- 2013

December 2013: 2 new entries, 32 modified

November 2013: 1 new entries, 6 modified

October 2013: 3 new entries, 10 modified

September 2013: 15 new entries, 40 modified

August 2013: 12 new entries, 67 modified

July 2013: 21 new entries, 53 modified

June 2013: 3 new entries, 23 modified

May 2013: 1 new entries, 11 modified

April 2013: 12 new entries, 27 modified

March 2013: 15 new entries, 30 modified

February 2013: 5 new entries, 44 modified

January 2013: 3 new entries, 9 modified

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