Math fails in history

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Dick Lipton wrote a great post over at Gรƒยถdel’s Lost Letter and P=NP. In his Sept 27th post he talked about surprises in mathematics. In one of his sections he gives three examples of where mathematicians “accepted” a false proof. Sometimes this happens and it might be dozens of years until someone realizes a mistake …

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Amazing Math Tattoos!

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6 x 9 = 42 Summation Tattoo Complicated formula tattoo Golden ratio tattoo Quadratic formula tattoo Silly math tattoo Determinant tattoo e^{i pi}+1 = 0 2^5 Tattoo e^{i pi}+1 = 0 0/1 Matrix Tattoo Physics Tattoo Physics Tattoo Knuckle Tattoo e^{i pi}+1 = 0 Numbers Tattoo Numbers Tattoo

Patricia Heaton has troubles with easy math

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Patricia Heaton (from the tv show “Everybody Loves Raymond”), has a hard time on one incredibly easy question for $50,000 for charity on the Millionaire 10th Anniversary Celebration. The question is: If a euro is worth $1.50, five euros is worth what?a) thirty quartersb) fifty dimesc) seventy nickelsd) ninety pennies After five minutes of struggling, …

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The Math Book (tells the history of mathematics)

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Written by Clifford Pickover, The Math Book, covers 250 milestones in mathematics. It has information about the Fibonacci series, the Goldbach Conjecture, Benford’s Law, the Prisoner’s Dilemma, Newcomb’s Paradox, Tokarsky’s Unilluminable Room, discovery of pi, etc. Each two-page spread has an excellent story about a mathematical principle, discovery, puzzle, or person. You can find more …

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How to play STRIMKO

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I thought it would be fun to create a video on “How to play strimko.” It’s just like Sudoku but more fun!! Hopefully the creators over at strimko.com don’t mind me posting it on Youtube ^_^ You can view the video here (and you can play the fun game at strimko.com).