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## Pi - Wikipedia

en.wikipedia.org/wiki/Pi

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 - Department of Mathematics, University of Utah

www.math.utah.edu/~pa/math/pi.html

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

## Pi - Math is Fun

www.mathsisfun.com/numbers/pi.html

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 ...

## PI - Math.com

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

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  ...

## One Million Digits of Pi · Pi Day

www.piday.org/million/

Menu. Pi Day. Celebrate Mathematics on March 14th. 54 Days 19 Hours. Home · Learn About Pi · Shop · Videos · News & Events · Pi Sightings · All Things Pi.

## Mathematical Pi Song · Pi Day

www.piday.org/2010/mathematical-pi-song/

Mathematical Pi Song. February 15, 2010 · Videos · ∞ ... Post navigation. ← Pi( ano) Song · Pi's cameo appearance in “Psych” Season 4 Finale → · T-Shirts ...

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 ...

## Pi - math word definition - Math Open Reference

www.mathopenref.com/pi.html

The number Pi, denoted by the Greek letter π - pronounced 'pie', is one of the most common constants in all of mathematics. It is the circumference of any circle,  ...

## Pie (math) | Article about Pie (math) by The Free Dictionary

encyclopedia2.thefreedictionary.com/Pie (math)

pi,. in mathematics, the ratio of the circumference of a circle to its diameter. The symbol for pi is π. The ratio is the same for all circles and is approximately 3.1416  ...

## What is Pi? - Live Science

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

Apr 30, 2013 ... Pi (π), the 16th letter of the Greek alphabet, is used to represent the most widely known mathematical constant. By definition, pi is the ratio of the ...