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Fungrim entry: fc5ea9

G=0atan ⁣(ex)dxG = \int_{0}^{\infty} \operatorname{atan}\!\left({e}^{-x}\right) \, dx
G = \int_{0}^{\infty} \operatorname{atan}\!\left({e}^{-x}\right) \, dx
Fungrim symbol Notation Short description
ConstCatalanGG Catalan's constant
Integralabf(x)dx\int_{a}^{b} f(x) \, dx Integral
Atanatan(z)\operatorname{atan}(z) Inverse tangent
Expez{e}^{z} Exponential function
Infinity\infty Positive infinity
Source code for this entry:
    Formula(Equal(ConstCatalan, Integral(Atan(Exp(Neg(x))), For(x, 0, Infinity)))))

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2021-03-15 19:12:00.328586 UTC