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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 ...

## 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 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 number represented by pi (π) is used in calculations whenever something round (or nearly so) is involved, such as for circles, spheres, ...

## Music Video: What is the value of Pi? · Pi Day

www.piday.org/2014/music-video-what-is-the-value-of-pi/

Mar 12, 2014 ... In honor of Pi day, I have posted a short entertaining video for my math nerd friends as well as those of you that are mathematically challenged.

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

nrich.maths.org/2490

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

## The History of Pi - Rutgers

www.math.rutgers.edu/~cherlin/History/Papers2000/wilson.html

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  ...

## 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?

## 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.

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.

### 100,000 Digits of Pi

www.geom.uiuc.edu

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

### The search for the value of pi - The Conversation

theconversation.com

Mar 11, 2016 ... On the occasion of Pi Day, a look at the history of calculating the actual, and increasingly exact, value of pi (π).

### One Million Digits of Pi · Pi Day

www.piday.org

One Million Digits of Pi. 3.... T-Shirts. More Pi Stuff. pi-trainer-app · Technology: Memorize More Digits with Pi Trainer · pi-is-delicious · Pi Sightings: Pi ...