Education · Math · NovElla

Tau Day 2020

Happy Tau Day!!

It’s time for another math holiday! June 28th is Tau Day. That’s because the number tau begins with 6.28, just like the date 6/28. Tau is an irrational number, meaning the decimal places continue forever! Here are the first several:


Notice anything interesting about the number? This number is twice pi!


Apparently, there’s some controversy about whether we should be keeping pi around at all. This Tau Day article explores the idea of ‘downgrading’ pi. Some go so far as to boycott Pi Day! I don’t think there’s any reason we can’t celebrate both 🙂 .



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