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Steven Stadnicki earned this badge 6 times
may 12 '12 at 7:01In the history of mathematics, has there ever been a mistake?
feb 5 '12 at 7:13Multiple-choice question about the probability of a random answer to itself being correct
nov 8 '11 at 18:30The Mathematics of Tetris
oct 27 '11 at 4:44Which is bigger?