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12 numbers that are cooler than piTo celebrate Pi Day, we asked several mathematicians to tell us their favorite non-pi numbers. Here are some of their answers.
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Babylonians used Pythagorean theorem 1,000 years before it was 'invented' in ancient GreeceThe theorem may have been used to settle a land dispute between two affluent individuals.
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9 equations that changed the worldHere are nine equations that altered the course of history.
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The World's Most Beautiful EquationsScientists choose their favorite mathematical equations.
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The universe would not make sense without mathematicsMathematics is the language of the universe: It is probable that every major scientific discovery has used mathematics in some form.
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Dennis Sullivan, mathematician who united chaos theory and geometric spaces, wins prestigious Abel PrizeNew York mathematician Dennis Sullivan was awarded the prestigious Abel Prize for his contributions to topology and dynamical systems, a foundation of chaos theory.
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Pythagoras: Life, work and achievementsReference Discover the life and work of the great Greek philosopher.
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What is pi?Reference Pi represents the ratio of the circumference of a circle to its diameter. Pi is an irrational number that never ends; the decimals go on forever and ever.
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Mathematician cracks 150-year-old chess problemThe n-queens problem had stumped mathematicians for more than a century.
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