Mathematics: Biweekly Challenge Archive

Archive of Biweekly Challenges

Feb. 21, 2011 Deadline: March 7, 2011

Nov. 8, 2010 Deadline: November 22, 2010

March 23, 2010 Deadline: April 05, 2010

March 08, 2010 Deadline: March 22, 2010
Winner: Robert Kudrich

February 17, 2010 Deadline: February 28, 2010 Solution
Winner: Brad Fenstermaker
Honorable Mention: Lauren Bianchetti

January 29, 2010 Deadline: February 8, 2010 Solution
Winner: 0+b*i

January 19, 2010 Deadline: January 25, 2010 Solution
Winner: Lou Pasqualicchio
Honorable Mention: Kenny Rushinski

November 30, 2009 Deadline: December 14, 2009 Solution
Winner: Kenny Rushinski

November 9, 2009 Deadline: November 23, 2009 Solution
Winner: Lou Pasqualicchio

October 26, 2009 Deadline: November 9, 2009 Solution
Winner: Brad Fenstermaker
Honorable Mention: Lou Pasqualicchio

October 12, 2009 Deadline: October 26, 2009 Solution
Winner: Lou Pasqualicchio
Honorable Mention: Brad Fenstermaker

September 24, 2009 Deadline: October 8, 2009 Solution
Winner: Kenny Rushinski

September 10, 2009 Deadline: September 25, 2009 Solution
Winner: Robert Kudrich