# The number pi has an interesting history. For example, in the Bible pi was defined as 3. Write a brief story on the history of of pi.

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People are still calculating new digits of this number

http://www.bbc.co.uk/news/technology-11313194

You may find information here too

http://ualr.edu/lasmoller/pi.html

or here

http://www.exploratorium.edu/pi/history_of_pi/index.html

Best wishes

**Sources:**

pi is a mathematical constant.It is approximately equal to 3.14.It is a Greek letter. Many formulae in mathematics,science and engineering involves pi.It is an irrational number.