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Happy Pi Day!

It’s 3/14, 1:59am, and you know what that means: Pi Day is officially in session.

Not that pi doesn’t get respect throughout the year — it’s certainly a higher-profile constant than Avogadro’s Number, the Boltzmann Constant, or even the Golden Ratio — but Pi Day is the one day of the year we set aside to celebrate everyone’s favorite ratio of a circle’s circumference to its diameter: (In Euclidean space, natch.) has some handy Pi Day-related resources, including e-cards and a “one million digits of pi” widget.

Standard Pi Day viewing: Darren Aronofsky‘s 1998 movie Pi, about a pi-haunted mathematician and the nefarious forces that encircle him. Off the beaten path, but worth reading: The New Yorker‘s 1992 profile of two brothers who build a supercomputer in their apartment to calculate as many digits of pi as they can, a profile which is less about state-of-the-art 1992 computing technology than it is about the obsession and creativity that the inscrutable sequence inspires.

Finally, this classic, obligatory Pi Day┬áDinosaur Comic, reminding you, as ever, that Euler’s Number Day (on February 71st) and Pi Approximation Day don’t get enough love:

(title image via Shanemhale. Dinosaur Comic with permission from the author.)

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