Pi Puns

Pi day Video: Pi day Song

https://www.youtube.com/watch?v=nmXkDbGdD4Q

Pi Jokes

PIctures

PIctures

Pi Websites

http://en.wikipedia.org/wiki/Pi#Properties

library.thinkquest.org/C0110195/uses/uses.htm

http://www.ask.com/question/what-is-pi-used-for

http://www.ms.uky.edu/~lee/ma502/pi/MA502piproject.html

Properties of Pi

Pi is:

• an irrational number
• a transcendental number
• cannot be written as a ratio of two integers
• cannot be written as a common fraction
• has an infinite number of digits 

Uses of Pi

Uses of PI

At a basic level, Pi is used to calculate area and circumference 

Formulas for Pi:

When using Pi for problems, the number is usually estimated to "3.14" (the first 3 digits)