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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 4.58 Euler's Product Formula 4.57 Continuous but Nowhere Differentiable 4.56 Medical Tests and Bayes' Theorem 4.54 Fractional Dimensions 4.45 Sperner's Lemma 4.44 Sine of (1/55555....) 4.44 Divisibility by Eleven 4.44 Risk-Free Betting on Different Beliefs 4.44 Really Complex Matrices 4.43 Reflecting on the Hyperbola 4.42 All Numbers are Interesting 4.42 Napoleon's Theorem 4.42 Tower of Powers 4.41 Difference of Squares 4.38 Rational Irrational Power 4.35 Liouville Numbers 4.33 Misleading Sequence 4.33 Inductive Tiling 4.33 Perfect Shuffles 4.31 How many Primes? 4.31 Van der Waerden Theorem 4.31 Continuum Hypothesis 4.30 Fibonacci GCD's, please 4.30 Koch Tetrahedron 4.29 Pigeonhole Principle 4.29 Does Order of Addition Matter? 4.29 Reuleaux Wheel 4.29 Space-filling Curves 4.29 Magic Squares, indeed! 4.28 Sierpinski-Mazurkiewicz Paradox 4.28 i to the i is a Real Number 4.28 Thinned-Out Harmonic Series 4.28 Buffon Needle Problem 4.26 Proof with Words 4.26 Impossible Integral? 4.24 Formula for Primes? 4.24 Visual Multiplication with Lines 4.23 Multiplying Complementary Pairs 4.23 Conic sections 4.23 Though not among the most popular, your Fun Fact now rates: Area of an Ellipse 2.21 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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