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Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 9 |
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diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 3fdea18cfd..da2b8cc586 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -426,6 +426,15 @@ Constants The mathematical constant e = 2.718281..., to available precision. +.. data:: tau + + The mathematical constant τ = 6.283185..., to available precision. + Tau is a circle constant equal to 2π, the ratio of a circle's circumference to + its radius. To learn more about Tau, check out Vi Hart's video `Pi is (still) + Wrong <https://www.youtube.com/watch?v=jG7vhMMXagQ>`_, and start celebrating + `Tau day <http://tauday.com/>`_ by eating twice as much pie! + + .. versionadded:: 3.6 .. data:: inf |