mathschallenge.netA website dedicated to the puzzling world of mathematicsRounding Error- July 9, 2008 Problem ID: 344 (09 Jul 2008) Difficulty: 2 starhttp://mathschallenge.net/rss_display.php?titleid=rounding_error Exponential Symmetry- July 9, 2008 Problem ID: 345 (09 Jul 2008) Difficulty: 4 starhttp://mathschallenge.net/rss_display.php?titleid=exponential_symmetry |