Hartismere School

An outstanding coeducational secondary school and sixth form college

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158,962,555,217,826,360,000 - Numberphile

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The Nazi's Enigma Machine - and the mathematics behind it - was a crucial part of World War II. Flaw video at: http://www.youtube.com/watch?v=V4V2bp... Brown papers on ebay: bit.ly/brownpapers Dr James Grime demonstrates the machine and discusses its many configurations.