Happy Pi Day 2024

Yes, it’s Pi Day! No not Pie Day – Pi Day. March 14, 3/14 or 3.14.

Yes, Pi is the number 3.14… . It goes on forever. You can find the first million digits here: One Million Digits of Pi On One Page.

Pi is defined as the ratio of a circle’s circumference to its diameter.

Image Credit: Kjoonlee, Public domain, via Wikimedia Commons (https://upload.wikimedia.org/wikipedia/commons/3/36/Pi_eq_C_over_d.svg)

Enjoy the day.

For more about Pi and the Hierarchy of Numbers, see our FAS Astronomers Blog from 2020.

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Bruce Gavett

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