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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.

Pi - Wikipedia


The number π is a mathematical constant, the ratio of a circle's circumference to its diameter, commonly approximated as 3.14159. It has been represented by ...

pi to 10000 digits - University of Utah Math Department


Understanding Mathematics by Peter Alfeld, Department of Mathematics, ... pi= 3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 ...

www.ask.com/youtube?q=Mathematical Pi&v=VWGGTb5pY2U
Mar 27, 2010 ... O boy iz dat tiem of yeer agin!!111!! This is a music video of the song " Mathematical Pi" by Ken Ferrier and Antoni Chan. You can find out more ...
www.ask.com/youtube?q=Mathematical Pi&v=hJJJmQojcLM
Oct 27, 2007 ... Lyrics: A long, long time ago Long before the Super Bowl and things like lemonade The Hellenic Republic was full of smarts and a question ...
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Pi - Math is Fun


circle radius=1, half circumference=pi. Draw a circle with a radius of 1. The distance half way around the circle is 3.14159265... a number known as Pi ...

Definition of Pi - Math is Fun


Math explained in easy language, plus puzzles, games, quizzes, worksheets and a ... Pi. more ... Pi. The ratio of a circle's circumference to its diameter. Equal to ...

Pi - Math.com


Pi is a name given to the ratio of the circumference of a circle to the diameter. That means, for any circle, you can divide the circumference (the distance around  ...

Math Forum: Ask Dr. Math FAQ: About Pi


What is Pi? Who first used Pi? How do you find it? What is it for? How many digits is it?