Support the Museum of Mathematics -- PayPal

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A unique and innovative institution, the Museum of Mathematics (MoMath) strives to enhance public understanding and perception of mathematics as an evolving, creative, and aesthetic human endeavor. Slated to open in Manhattan on December 15, 2012, the Museum's hands-on, interactive exhibits will provide a place for children and adults to experience the excitement of math. MoMath will be North America's only museum devoted to the wonders of mathematics and its many connections, from art to science to finance.

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In 1796, Gauss discovered how to construct a regular 17-gon with a ruler and compass.
The largest triangular Fibonacci number.
The hyperfactorial of 3: 1 x (2×2) x (3x3x3).
The number of different space groups that describe possible crystal packing symmetries.
The third perfect number.
The product of 3 consecutive prime numbers: 7 x 11 x 13.
The number of ways to tile a 6 x 10 rectangle with the full set of pentominoes.
The sum of the numbers 1-100, which Gauss calculated instantly, impressing his teacher.
What is your favorite number?

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