A graphic showing the mathematical sign for Tau followed by an equal sign followed by an illustration of two pies.
It's also #TauDay today, a celebration of the circle constant. It’s numerically equal to 2*Pi, so some think it’s better than Pi. Are you #TeamTau or #TeamPi?
Maybe the Tau Manifesto will help you decide
https://tauday.com (we're not taking sides on this...)
#MathsToday #UKMathsChat