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Pi

en.wikipedia.org/wiki/Pi

Any complex number, say z, can be expressed using ... In the polar coordinate system, one number ...

One Million Digits of Pi · Pi Day

www.piday.org/million/

One Million Digits of Pi. 3.... More Pi Stuff. trader-joes · Pi Sightings: Trader Joe's Sells Pi(e)s · rap-music-video · Videos: “Lose Yourself in the Digits” Pi Day Rap.

Pi - Math is Fun

www.mathsisfun.com/numbers/pi.html

is 3.14159265... a number known as Pi ... all the way around the circle) will be Pi ... In fact π is not equal to the ratio of any two numbers, which makes it an ...

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 ...

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 irrational number that never ends; the decimals go on forever and ...

Value Of Pi

c2.com/cgi/wiki?ValueOfPi

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, 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.

Math Forum: Ask Dr. Math FAQ: About Pi

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

By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it. For the ...

Find Your Pi Day

mypiday.com/

Let the Wolfram Language generate your own personal piece of Pi. Enter your birthday or any other date to see how many digits it takes to get there.

pi to 10,000 digits - math.utah.edu - University of Utah

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

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

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.
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100,000 Digits of Pi

www.geom.uiuc.edu

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

The First Thousand Digits of Pi - Fact Monster

www.factmonster.com

The number known as pi (π) has fascinated people for millenia. The digits to the right of its decimal point can keep going forever, and there is absolutely no ...

Pi -- from Wolfram MathWorld

mathworld.wolfram.com

Pi. DOWNLOAD Mathematica Notebook EXPLORE THIS TOPIC IN the MathWorld Classroom CirclePi. The constant pi, denoted pi , is a real number defined as ...