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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.



A diagram of a unit circle centered at the origin in the complex plane, including. The association between ...

One Million Digits of Pi · Pi Day


One Million Digits of Pi. 3. ... News & Events: U.S. Congress Passes Pi Day · apple-pie1 ... Pi Sightings: Mythbusters' Grant Imahara's Prisoner Number · nasa.

100,000 Digits of Pi


100,000 Digits of Pi Pi Logo. 3.141592653589793238462643383279502884197169399375105820974944592307816406286  ...

It's aimed at adults, but if you have a younger child who is fascinated with numbers, there will be some fun facts in the book he will most likely enjoy. This book has something for just about every type of gifted kid. The book is aimed at kids ages 7 and up, but teac... More »
By Carol Bainbridge, About.com Guide

9 random facts about pi (the irrational number, not the food) - 9News


Mar 14, 2015 ... KUSA – If you're a math nerd, March 14 is a pretty magical day. And this year, 03/ 14/15 is especially awesome. And while some use pi day as ...

Pi - Math is Fun


Draw a circle with a radius of 1. The distance half way around the edge of the circle will be 3.14159265... a number known as Pi ...

Value Of Pi


Now to make something round, I'd have to multiply by Pi, which is a transcendental number defined to an infinite number of decimal places. Imagine Pi used to ...

pi to 10,000 digits - Department of Mathematics, University of Utah


pi=3.14159 26535 89793 23846 26433 83279 50288 41971 69399 37510 58209 74944 59230 78164 06286 20899 86280 34825 34211 70679 82148 08651 ...

Pi, a Very Special Number : nrich.maths.org


Read all about the number pi and the mathematicians who have tried to find out its value as accurately as possible.

Popular Q&A
Q: How to Calculate the Number PI.
A: 1. Write down the Gregory Series. The series appears as: Pi = 4sum[1)k + 1)/(2k - 1) k = 1 . infinity] Expressed in plain English, the relationship says that th... Read More »
Source: www.ehow.com
Q: Who invented the number pi?
A: a person. Read More »
Source: wiki.answers.com
Q: Who created the number pi?
A: The King of the Lollipops! He also had help from the Queen of the Cheese Sticks. Read More »
Source: wiki.answers.com
Q: How long is the number pi.
A: Pi goes on forever! Read More »
Source: www.answers.com
Q: How was the number pi discovered?
A: Pi is a very old number. We know that the Egyptians and the Babylonians knew about t... Read More »
Source: www.chacha.com