I have just uploaded a new package to Hackage which defines the constant \tau. Now if you wish to use \tau in your program you can just cabal install tau and then import Math.Tau (tau), and be assured that you are using only the highest-quality definition of this fundamentally important constant.

About Brent

Assistant Professor of Computer Science at Hendrix College. Functional programmer, mathematician, teacher, pianist, follower of Jesus.
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4 Responses to Math.Tau

  1. Max says:

    I’m happy to see that you had to foresight to specify that this package would only work with base < 10. As you presumably well know, the base 11 release is scheduled to reconfigure the universe so that the circumference/radius is the more orderly integer 6.

  2. Harley says:

    Interesting, I already have such a package. Simply import the Pi package and let t = 2Pi. :-)

  3. Chris Dornan says:

    From which we can speculate that TeX ~= Math.Tau/2. (And perhaps on their authors passing this could become a true equation.)

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