>A Brief History of Pi – PCWorld

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Happy Pi Day (to the 36th digit)!Image by Mykl Roventine via Flickr

Happy Pi Day!

A Brief History of Pi – PCWorld: “Egyptians calculated pi using pyramids (or did they calculate pyramids using pi?), Archimedes busted out the 96-gon, Zhu Chongzhi one-upped him with a 12,288-gon (or is that 12,192-upped him?), Ferguson calculated 620 digits by hand, and the University of Tokyo used a Japanese super-machine to calculate a mere 1,241,100,000,000 digits”

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