Articles on Pi

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We need just a little more party hat… Yelp/Flickr

3.14 essential reads about π for Pi Day

It's March 14, the day we irrationally celebrate the ratio of a circle's circumference to its diameter. Here's a roundup from our archive of what we know about pi.
This “pi plate” shows some of the progress toward finding all the digits of pi. Piledhigheranddeeper

The search for the value of pi

On the occasion of Pi Day, a look at the history of calculating the actual, and increasingly exact, value of pi (π).
Let’s paint a picture of ‘pi’. jakedobkin/Flickr (cropped)

We still can’t get enough pi … but why?

The number pi (π = 3.14159265358979323846…), unique among the pantheon of mathematical constants, captures the fascination of the public and professional mathematicians. Three years ago one of the authors…
Pi pie

Are Pi’s days numbered?

Some people have argued that Pi’s days are numbered and that other tools, such as tau, could do its job more efficiently. As someone who has studied Pi throughout his entire working life, my response to…

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