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Now I'm considering making a Matt Parker pie: a spherical pie made from a normal pie + calling it close enough in 2 out of 3 dimensions.
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I didn't get it, so I looked it up.

22/7 ~= 3.14

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355 / 113

( = 3.1415929204 )

is one approximation I have read about, attributed by some, to ancient or medieval Indian or Chinese mathematicians.

https://en.wikipedia.org/wiki/Approximations_of_pi

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Actually closer to π and matches the more sensible date format.

(Yes this is worth fighting over!)

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