Under Nine dots (in Shapes) Posted on 2003-02-14 (20 Comments) |
Under Pi problem (in Numbers) Posted on 2002-12-11 (14 Comments) |
Under Zero to 150 in 2003 (in Numbers) Posted on 2002-11-29 (65 Comments) |
Under Minimum Value (in Calculus) Posted on 2002-06-19 (18 Comments) |
Under A surprise exam (in Paradoxes) Posted on 2002-04-26 (39 Comments) |