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© 1999-2010 by Francis Edward Su
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# Most Popular Math Fun Facts

... sorted by recent user ratings and interest.

 Greedy to Avoid Progressions 4.57 Continuous but Nowhere Differentiable 4.56 Euler's Product Formula 4.55 Medical Tests and Bayes' Theorem 4.54 Fractional Dimensions 4.53 Risk-Free Betting on Different Beliefs 4.47 Tower of Powers 4.47 Divisibility by Eleven 4.44 Sperner's Lemma 4.44 Sine of (1/55555....) 4.44 Really Complex Matrices 4.43 Reflecting on the Hyperbola 4.42 All Numbers are Interesting 4.42 Napoleon's Theorem 4.39 Difference of Squares 4.38 Inductive Tiling 4.36 Rational Irrational Power 4.35 Liouville Numbers 4.33 Misleading Sequence 4.33 How many Primes? 4.31 Van der Waerden Theorem 4.31 Fibonacci GCD's, please 4.30 i to the i is a Real Number 4.30 Perfect Shuffles 4.30 Squares Ending in 5 4.30 Koch Tetrahedron 4.29 Pigeonhole Principle 4.29 Continuum Hypothesis 4.29 Reuleaux Wheel 4.29 Does Order of Addition Matter? 4.29 Sierpinski-Mazurkiewicz Paradox 4.28 Magic Squares, indeed! 4.28 Thinned-Out Harmonic Series 4.28 Buffon Needle Problem 4.26 Proof with Words 4.26 Multiplying Complementary Pairs 4.25 Multiplication by 11 4.24 Impossible Integral? 4.24 Formula for Primes? 4.24 Visual Multiplication with Lines 4.23 Though not among the most popular, your Fun Fact now rates: Red-Black Card Trick 4.18 In addition to these, there are 190 more Fun Fact files. See a random Math Fun Fact. Also available are a list of recent Math Fun Facts, or a list of all Math Fun Facts.

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