Pi Day

Celebrate Pi Day with our class!!!


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Pi, Greek letter ( ), is the symbol for the ratio of the circumference of a circle to its diameter. Pi = 3.1415926535... Pi Day is celebrated by math enthusiasts around the world on March 14th.
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Learn About Pi
With the use of computers, Pi has been calculated to over 1 trillion digits past the decimal. Pi is an irrational number meaning it will continue infinitely without repeating. The symbol for pi was first used in 1737 by William Jones, but was popular after it was adopted by the Swiss mathematician Leonhard Euler in 1737. Learn More »
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How to Celebrate Pi Day
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Random Pi Stuff
Comic: Trapped in a Universe Factory
Pi: A Biography
Pi Day Rap
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