Calculating pi from coin flips (without randomness)

Happy Pi Day! The new value of pi is 3.2266. Pi-by-hand is happening - at some time in the future - at some location! Please opt-in for updates and tell us which places would work for you: https://docs.google.com/forms/d/e/1FA... Huge thanks to Jim Propp for discovering this amazing bit of maths. For more math details: https://arxiv.org/abs/2602.14487 For the backstory: https://mathenchant.wordpress.com/202... Check out Sophie Maclean's Numberphile video:    • Catalan Numbers - Numberphile   My coin flip data is available here: https://www.dropbox.com/scl/fi/y7puee... Huge thanks to my Patreon supporters. They are flipping brilliant.   / standupmaths   CORRECTIONS Nothing yet. Let me know if you spot anything! Filming and editing by Alex Genn-Bash Written and performed by Matt Parker Produced by Nicole Jacobus Content wrangling by Rhys Jones Music by Howard Carter Design by Simon Wright and Adam Robinson MATT PARKER: Stand-up Mathematician Website: http://standupmaths.com/