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- Thread starter ruko
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- #1

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- #2

hotvette

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- #3

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Just find the proportion of radius to circumferance, I believe. I know it is some kind of proportion.

- #4

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My personal favourite:

[tex]\frac2\pi = \frac{\sqrt2}2 \cdot \frac{\sqrt{2+\sqrt2}}2 \cdot \frac{\sqrt{2+\sqrt{2+\sqrt2}}}2 \cdot \cdots\![/tex]

- #5

hotvette

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Modern calculation of pi no doubt use infinite series, first formulated in Newton's time (mid 1600's). Archimedes used circumscribed polygons w/ 96 sides to calculate pi with three digit accuracy.

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