Pi Day

2 thoughts on “Pi Day”

  1. It’s a wonderful series, but I hope you have a very large sidewalk and plenty of chalk if you desire enough accuracy for today’s date! SLOW convergence at the edge of the interval !

    1. I am glad you mentioned the rate of convergence. One hundred terms in and we find ourselves still bouncing between 3.13… and 3.15…, just waiting to lock in the 4. Still, I like this series for the historical context and as an entry point to other conceptions and calculations of pi. We needed more powerful algorithms to get to trillions of digits of pi. I am just discovering the work Machin, Ramanujan, and the Chudnovsky brothers did to advance the search.

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