Pi Day Activities And History Plus 13 Facts About The World S Most Interesting Number
Pi, or the Greek letter π in mathematical notation, is a number describing the ratio between a circle’s diameter and its circumference. All it takes to calculate pi is a simple formula—π = C/d, or pi equals a circle’s circumference, divided by its diameter. The result is a number that can’t be expressed with a simple fraction and stretches on infinitely beyond its decimal point. Here’s pi, written out to its first 100 digits:...