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Happy Pi Day

Celebrate Pi Day!

It's the only holiday to honor a number: Pi Day, on 3-14, the beginning digits of the infinite, nonrepeating decimal expansion of pi = 3.1415926... As the ratio of a circle's circumference to its diameter, pi is irrational and transcendental--qualities sure to bring a twinkle to any mathematician's eyes. How are people celebrating Pi Day?

If your math department celebrates Pi Day let us know!

Email the AMS Public Awareness Office

Pie with digits of Pi

From The Self-Referential Cookbook: the first 13 digits of Pi (last displayed digit rounded).

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