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| author | Guido van Rossum <guido@dropbox.com> | 2016-08-15 16:12:52 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@dropbox.com> | 2016-08-15 16:12:52 (GMT) |
| commit | 0a891d70ded5fa8b1e6491529a3b531f521b5ae1 (patch) | |
| tree | e26a1c826888bbd3c40b7775406062ab1b32cca5 /Doc/library/math.rst | |
| parent | 6349612a8e5d5fcb3405e59242b6a2df3127585a (diff) | |
| download | cpython-0a891d70ded5fa8b1e6491529a3b531f521b5ae1.zip cpython-0a891d70ded5fa8b1e6491529a3b531f521b5ae1.tar.gz cpython-0a891d70ded5fa8b1e6491529a3b531f521b5ae1.tar.bz2 | |
Issue #12345: Add mathemathcal constant tau to math and cmath.
Patch by Lisa Roach. See also PEP 628.
Diffstat (limited to 'Doc/library/math.rst')
| -rw-r--r-- | Doc/library/math.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Doc/library/math.rst b/Doc/library/math.rst index 3fdea18..32e1352 100644 --- a/Doc/library/math.rst +++ b/Doc/library/math.rst @@ -426,6 +426,13 @@ 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! .. data:: inf |