National Pi Day 3.14159265359

What

National Pi Day 3.14159265359

When

3/14/2018

National Pi Day is observed annually on March 14th.

The 3rd month and the 14th day of the year is a consistent day to celebrate the mathematical constant π. Also known as pi, the first three and most recognized digits are 3.14.  National Pi Day is celebrated by pi enthusiasts and pie lovers alike!

Pi (Greek letter “π”) is the symbol used in mathematics to represent a constant — the ratio of the circumference of a circle to its diameter — which is approximately 3.14159.

Explore Pi

http://www.piday.org/

http://www.piday.org/2010/search-the-digits-of-pi/

http://www.numberphile.com/videos/pi_visualisation.html