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www.ask.com/math/type-number-pi-e8d2f4a6dba58764

The

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.

en.wikipedia.org/?title=Pi

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

www.piday.org/million/

One Million Digits of

giftedkids.about.com/od/Books/tp/Books-About-Pi.htm

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 »

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

100,000 Digits of

www.9news.com/story/life/2015/03/13/pi-day-facts-figures-irrational-number/24710313/

Mar 14, 2015

www.mathsisfun.com/numbers/pi.html

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

c2.com/cgi/wiki?ValueOfPi

Now to make something round, I'd have to multiply by

mathforum.org/dr.math/faq/faq.pi.html

By definition,

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 discovered the number Pi ?

A:
No one knows who first discovered it, but the earliest known textually evidenced approximations date from around 1900 BC; they are 256/81 (Egypt) and 25/8 (Baby...
Read More »

Source:
wiki.answers.com

Q:
What is the full number pi ?

A:
Pi is a mathematical constant whose value is the ratio of any circle's circumference to
Read More »

Source:
www.chacha.com

Q:
What is the color of the number pi ?

A:
I'm sorry but the number 'pi ' does not have an official color, it is a mathematica...
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Source:
www.chacha.com