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