(Q3077635)

Statements

instance of

approximation algorithm

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named after

John Machin

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defining formula

${\displaystyle {\frac {\pi }{4}}=4\arctan {\frac {1}{5}}-\arctan {\frac {1}{239}}}$

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in defining formula

${\displaystyle \pi }$

symbol represents

pi

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${\displaystyle \arctan }$

symbol represents

arcus tangent

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maintained by WikiProject

WikiProject Mathematics

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Identifiers