Pi, Greek letter (n) is the symbol for the ratio of the curcumference of a circle to its diameter. Pi Day is celebrated by math enthusiasts around the world on March 14th. Pi = 3.1415926535....
with the use of computers, Pi has been calculated to over 1 trillion digits past the decimal. Pi is irrational number meaning it will continue infinitely without reapeating. The symbol for was first used in 1706 by William Jones, but was popular after it was done adopted by the Swiss mathematician Leonhard Euler in 1737.
WISH YOUR FRIENDS A "HAPPY PI DAY"
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