Pi Day
March 10, 2010 • Jaime Christensen
Filed under Entertainment
Pi Day is celebrated by math enthusiasts on March 14.In 1706, William Jones first used pi. It was later popular after it was adapted by Swedish mathematician Leonhard Euler in 1737.
What is pi?
Pi is the Greek symbol for the ratio of the circumference of a circle to its diameter. Pi is also an irrational number, which means that it will continue infinitely without repeating. Pi has also been calculated by computers and was found to be 1 trillion digits past the decimal.
An example of what pi looks like:
3.14159265358979323846264338327950288…
Oh Number PI
Oh, number Pi
Oh, number Pi
Your digits are unending,
Oh, number Pi
Oh, number Pi
No pattern are you sending.
You’re three point one four one five nine,
And even more if we had time,
Oh, number Pi
Oh, number Pi
For circle lengths unbending.
Oh, number Pi
Oh, number Pi
You are a number very sweet,
Oh, number Pi
Oh, number Pi
Your uses are so very neat.
There’s 2 Pi r and Pi r squared,
A half a circle and you’re there,
Oh, number Pi
Oh, number Pi
We know that Pi’s a tasty treat.
To enjoy more Pi Day, get your Pi gear at www.piday.org, and learn the Pi Day songs at www.winternet.com/~mchristi/piday.html.
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