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Fungrim entry: 0c9939

π=4atan(1)\pi = 4 \operatorname{atan}(1)
TeX:
\pi = 4 \operatorname{atan}(1)
Definitions:
Fungrim symbol Notation Short description
Piπ\pi The constant pi (3.14...)
Atanatan(z)\operatorname{atan}(z) Inverse tangent
Source code for this entry:
Entry(ID("0c9939"),
    Formula(Equal(Pi, Mul(4, Atan(1)))))

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2020-04-08 16:14:44.404316 UTC