hosted by the Harvey Mudd College Math Department created, authored and ©1999-2010 by Francis Su

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© 1999-2010 by Francis Edward Su

# Most Popular Math Fun Facts

... sorted by recent user ratings and interest.

 Unbelievable Unlinking 4.73 Football Field 4.69 Tesseract 4.67 All Numbers are Interesting 4.60 Behold! the Pythagorean Theorem 4.56 Sliding Chords 4.52 Fourier Ears Only 4.48 Pass the Beer 4.48 How many Rationals? 4.47 Red-Black Card Trick 4.46 Kaprekar's Constant 4.44 Continuum Hypothesis 4.43 Zero to the Zero Power 4.43 Dominoes on a Chessboard 4.42 Sums of Two Squares 4.40 Risk-Free Betting on Different Beliefs 4.39 Making Magic Squares 4.39 Dinner Party Problem 4.36 Reflecting on the Hyperbola 4.36 Eccentricity of Conics 4.36 Suspended Rope Trick 4.36 Divisibility by Seven 4.36 Slices of Hanging Cubes 4.36 Rubber Bands Stuck on a Torus 4.35 Pizza Slices 4.35 Complex Roots Made Visible 4.35 Monty Hall Problem 4.33 Holey Beads 4.33 Derivative Paradox 4.32 Rational Irrational Power 4.32 Mind-Reading Number Trick 4.32 Rental Harmony 4.32 Area of a Circle or Regular Polygon 4.31 Social Choice and the Condorcet Paradox 4.31 Squares Ending in 5 4.31 Hairy Ball Theorem 4.30 Goldbach's Conjecture 4.30 Banach-Tarski Paradox 4.29 Sine of (1/55555....) 4.29 Visual Multiplication with Lines 4.28 Though not among the most popular, your Fun Fact now rates: Birthday Problem 4.15 In addition to these, there are 188 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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