Hey, it’s Pi Day!

Tau vs pi (taken from MIT admissions)

Tau vs pi (taken from MIT admissions)

As someone associated with the Tauists (a Times editorial described me as a leader of a maverick band of mathematicians promoting tau) I shouldn’t be celebrating Pi Day today. But Tauists and Piists can live in peace as the following link shows (and from which the above picture is taken):


Now, if you’ll excuse me I need to rush off to give a talk about card cheating in a local school and then go to Durham for a Yorkshire Durham Geometry Day celebrating the life of Tom Willmore.

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