[ruby-core:101864] [Ruby master Feature#17496] Add constant Math::TAU

Issue #17496 has been updated by jzakiya (Jabari Zakiya).


> I don't think this manifesto helps itself by conflating a serious argument with a lot of silliness and jokes. You can see how people react to it by wondering if they're being trolled.

Well, I don't see anything specific in the Manifesto that is silly or a joke. At the end he answers actual questions that have been posed to him that you may take as silly questions, but that doesn't detract from the merits of the issue. And in parts of some of his videos he takes a lighthearted approach to redefining the culture around ``PI``, but that's to get people to loosen up their resistances.

Remember, most people in the field of physics didn't just jump on the Relativity bandwagon immediately, from that (then) nobody Einstein. These things take time for each individual to come to peace in their own minds about the need to change their thinking.  Look at Ruby. Until Rails came along it was *just-another-language* that most people never heard of|used.

So marketing is a big part of getting people to accept ideas. And if ``TAUDAY``, and ``TAU`` T-shirts, and videos about two pies, make it more comfortable for people to understand|embrace the concept, then consider it effective silliness.

I would just urge you not to be blind to the overwhelming mathematical, scientific, and pedagogical benefits ``TAU`` brings, and try to understand why other people do embrace it, and actively use it.

And since that is the case, then including it will make ``Ruby`` more relevant to them, and bring them more happiness.





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Feature #17496: Add constant Math::TAU
https://bugs.ruby-lang.org/issues/17496#change-89701

* Author: jzakiya (Jabari Zakiya)
* Status: Rejected
* Priority: Normal
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Excuse me if this has been brought up before.

This is a simple proposal to add the math constant ``Math::TAU`` = 2*``Math::PI``.

See: https://tauday.com/

``TAU`` has been included in a growing number of languages (Rust, Python3, Julia, et al), and this would add Ruby to that list, and make it even cooler. :-)



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