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Pi - Wikipedia

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. Pi Coffee Mug. More Pi Stuff. song1 · Videos: An Irrational Auralization of 225 Digits of Pi ... Technology: NASA looks at Pi in the Sky.

The First Thousand Digits of Pi - Fact Monster

www.factmonster.com/ipka/A0876705.html

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 ...

What Makes Pi So Special? | What Does Pi Mean? - Live Science

www.livescience.com/34132-what-makes-pi-special.html

Aug 9, 2012 ... No number can claim more fame than pi. But why, exactly? Defined as the ratio of the circumference of a circle to its diameter, pi, or in symbol ...

Value Of Pi

wiki.c2.com/?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 ...

Digits of Pi - Up to 1 Million Digits

www.angio.net/pi/digits.html

Displays the first 10000 digits of pi on screen, with links to download 10, 50, 100, ..., and up to 1 million digits, with ... He also has a lot of other large numbers.

Pi -- from Wolfram MathWorld

mathworld.wolfram.com/Pi.html

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

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 ...

Why Tau Trumps Pi - Scientific American

www.scientificamerican.com/article/let-s-use-tau-it-s-easier-than-pi/

Jun 25, 2014 ... A growing movement argues that killing pi would make mathematics ... Tau is precisely the number that connects a circumference to that ...

The number pi - Personal webpages at NTNU

folk.ntnu.no/krill/25.htm

For centuries, pi has been the classic long-digit number to memorize. Some people can just do it, but they can't seem to explain how, or teach anyone else to do ...

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  ...

Pi - Math is Fun

www.mathsisfun.com

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 ...

What is Pi? - Live Science

www.livescience.com

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 ...