Pi Day, Sesame Street, American Pie, Christmas Tree, Row Your Boat
Celebrating Pi Day
By Sharon Fabian ^{1} Not everyone celebrates Pi Day. Believe it or not, some people have never even heard of Pi Day! Just in case you are one of the people who hasn't heard of Pi Day yet, here is what it is: Pi Day is the day we celebrate the number pi.
^{2} At first this might sound a little like Sesame Street where they have celebrations for things like the letter B or the number 7. However, pi is not for preschoolers.
^{3} P is an irrational number -- an infinite decimal. It never ends, and it never repeats. Pi is a one-of-a-kind number, and some people are just crazy about pi!
^{4} The number pi is roughly 3.14. To be a little more precise it is approximately 3.141592653. For an even more precise estimation, see the number below. Even that is just the beginning. Computers have now figured out pi to billions of digits.