#### Pi is wrong!

Pi is wrong, long live Tau!

https://tauday.com/tau-manifesto

https://tauday.com/tau-manifesto

#### No, really, pi is wrong: The Tau Manifesto

For millennia, the circle has been considered the most perfect of shapes, and the circle constant π captured the geometry of the circle in a single number. But π is wrong, and it’s time to set things right.

^{tauday.com}