 Under Two Trains (in Just Math)
Posted on 2007-05-05 (5 Comments) |
 Under Sum the integers, get squares? (in Just Math)
Posted on 2007-04-05 (5 Comments) |
Under An Inverse Diophantine Puzzle (in Just Math)
Posted on 2006-12-06 (4 Comments) |
Under Reasonably Rational Sequence (in Sequences)
Posted on 2005-06-02 (6 Comments) |
Under Fill in the Squares II (in Logic)
Posted on 2005-05-17 (22 Comments) |
Under Squares and Cubes (in Numbers)
Posted on 2003-12-06 (21 Comments) |
Under Counting Stamps (in Numbers)
Posted on 2003-03-06 (21 Comments) |
Under 2,000,000 Coin Tosses (in Probability)
Posted on 2003-03-03 (10 Comments) |
