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Special Report

The Pi Day of the Century

The first five digits of pi, 3.1415, is being celebrated on March 14, 2015, with a day for math fun, circular logic and, of course, pie eating

A Different Pi for Pi Day

Tired of the circle constant? The prime counting function π(x) is an alternative way to celebrate everyone's favorite Greek letter that sounds like a dessert.

March 14, 2014 — Evelyn Lamb
How Much Pi Do You Need?

How Much Pi Do You Need?

I am traveling for most of July. I hope you enjoy this post from the past, which originally appeared on the Observations blog on July 21, 2012. A variety of pies celebrating the number pi.

July 22, 2013 — Evelyn Lamb
The Science Parodies Continue: What is the Value of Pi?

The Science Parodies Continue: What is the Value of Pi?

A fun little ditty set to the tune of the famous ‘What does the fox say?’…I only wish my high school math teacher was this cool… See the original post in Jennifer Ouellette’s ‘Physics Week in Review‘ over at Cocktail Party Physics.

January 23, 2014 — Carin Bondar
Does Pi Encode Shakespeare s Plays? [Video]

Does Pi Encode Shakespeare s Plays? [Video]

Yesterday was Pi Day (3.14, approximately), and appropriately enough comes this analysis of the irrational number by Vi Hart, a recreational “mathemusician” at Khan Academy.

March 15, 2012 — Philip Yam
The Pi Day of the Century

The first five digits of pi, 3.1415, is being celebrated on March 14, 2015, with a day for math fun, circular logic and, of course, pie eating

Think Outside the Gift Box