# 3.14159265359 – Pi Day 2016

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Photo courtesy of SFGate

# Happy Pi Day!

Today is March 14th – A.K.A. 3.14 – A.K.A. Pi day.

Other than an excuse to host pie eating contests, bring pie to work, have pie for breakfast, and enjoy all the other wonderful pie-related activities, Pi day (Greek letter “π”) is a widely celebrated day surrounding the mathematic constant that represents the ratio of the circumference of a circle to its diameter. In other words, 3.14159.

Many schools use Pi day as a way to integrate math into a celebration. Students have contests to see who can memorize the most digits of Pi (by the way, there are over one trillion digits calculated so far), as well as learn Pi’s applications in circles and other areas of mathematics – all while having fun.

## Why does Pi matter?

According to Steven Strogatz, Pi is a very big deal. Pi never ends and never shows a pattern. It goes on forever, “seemingly at random—except that they can’t possibly be random, because they embody the order inherent in a perfect circle. This tension between order and randomness is one of the most tantalizing aspects of pi.” And rather than attempting to explain this further and cause more confusion than clarity, I will just let you read Steven’s explanation here.

## So what can you do with Pi?

Enjoy it! Do some math work, eat some pie, pick up some sweet Pi swag, or try to memorize more digits than anyone else at the office. And be sure to check out Piday.org for all things Pi.

## Want more Pi? Here are one million digits of Pi.

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