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Web Results

en.wikipedia.org/wiki/Pi

Some approximations

www.geom.uiuc.edu/~huberty/math5337/groupe/digits.html

100,000 Digits

mathforum.org/isaac/problems/pi1.html

Historians estimate that by 2000 B.C. humans had noticed that the ratio of circumference to diameter was the same for all circles. This discovery hinged on the ...

www.exploratorium.edu/pi/history_of_pi/

www.livescience.com/29197-what-is-pi.html

Apr 30, 2013

www.math.rutgers.edu/~cherlin/History/Papers2000/wilson.html

They used this method to find that

www.math.com/tables/constants/pi.htm

Pi is a name given to the ratio of the circumference of a circle to the diameter. ...
the needle lands on a line, it turns out to be directly related to the

www.piday.org/2014/music-video-what-is-the-value-of-pi/

Mar 12, 2014

www.piday.org/million/

One Million Digits

www.pcworld.com/article/191389/a-brief-history-of-pi.html

Mar 13, 2013

Answer

The
value of pi
to 5 decimal places is 3.14159. Pi is an irrational number, so it cannot be expressed as an exact fraction and its decimal representation has no end.

The Greek letter pi was first used to represent the ratio of the circumference of a circle to its diameter in 1709 by mathematician William Jones.

More Info

www.scientificamerican.com

The mathematical odyssey, plus a guide to calculating

lasp.colorado.edu

The

mathcentral.uregina.ca

search. Question from mahesh, a student: what is the exact