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Pi

en.wikipedia.org/wiki/Pi

Some approximations of pi include: Integers: 3; Fractions: Approximate fractions include (in order of increasing accuracy) ...

Value Of Pi

c2.com/cgi/wiki?ValueOfPi

The ValueOfPi is irrational (more specifically, transcendental); what follows are either ... Seriously, it does make sense to define "pi" as a defined constant - not ...

The Long Search for the Value of Pi - Scientific American

www.scientificamerican.com/article/the-long-search-for-the-value-of-pi/

Mar 14, 2016 ... The mathematical odyssey, plus a guide to calculating pi for yourself.

Math Forum: Finding the Value of Pi

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 ...

The first ten thousand digits of pi - Joy of Pi | Pi Links

www.joyofpi.com/pi.html

The Joy of Pi includes one million digits of pi. But in case you need just a few, here are the first ten thousand digits: 3. 1415926535 8979323846 2643383279 ...

The Area of a Circle and the Value of Pi | WIRED

www.wired.com/2015/03/area-circle-value-pi/

Mar 14, 2015 ... How do you find the area of a circle? Can you measure the area of a circle and use that to find a value for Pi?

What is Pi? - Live Science

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

Apr 30, 2013 ... Pi represents the ratio of the circumference of a circle to its diameter. Pi is an ... There is no exact value, seeing as the number does not end.

Japanese mathematician breaks record for determining the value of pi

www.telegraph.co.uk/news/worldnews/asia/japan/8834265/Japanese-mathematician-breaks-record-for-determining-the-value-of-pi.html

Oct 18, 2011 ... A Japanese man has shattered his own world record for determining the value of pi, calculating the ratio of the circumference of a circle to its ...

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. ... the needle lands on a line, it turns out to be directly related to the value of Pi.

What is the exact value of pi? - Math Central

mathcentral.uregina.ca/QQ/database/QQ.09.08/h/mahesh1.html

search. Question from mahesh, a student: what is the exact value of pi. 22/7 is accurate value of pi, if not then how can i find out the exact pi value.

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

100,000 Digits of Pi

www.geom.uiuc.edu

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

One Million Digits of Pi · Pi Day

www.piday.org

One Million Digits of Pi. 3.... Pi Coffee Mug. More Pi Stuff. digits · Videos: Mathematical Pi Song ... Videos: An Irrational Auralization of 225 Digits of Pi.

The History of Pi

www.math.rutgers.edu

They used this method to find that pi was slightly greater than 3, and came up with the value 3 1/8 or 3.125 (Beckmann, 11). However, this theory is probably a  ...