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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.

Pi

en.wikipedia.org/wiki/Pi

The set of complex numbers at which exp(z) is equal to one is then an ... it has an infinite number of digits in its decimal representation, and it does not settle into ...

100,000 Digits of Pi

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

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

Pi - Math is Fun

www.mathsisfun.com/numbers/pi.html

will be 3.14159265... a number known as Pi ... Pi (the symbol is the Greek letter π ) is: ... In fact π is not equal to the ratio of any two numbers, which makes it an ...

What does Pi equal in algebra? | Ask.com

www.ask.com/math/pi-equal-algebra-f314c125dec0242a

According to Math Open Reference, pi is a mathematical constant obtained by dividing the circumference of any circle by its diameter. Pi is about 22/7 or 3.142.

What does Pi equal? | Ask.com

www.ask.com/math/pi-equal-d6665d91220058dc

The number Pi, symbolized by a Greek letter, has a constant value that approximately equals 3.14159. Pi is an irrational number, which means it cannot be ...

PI - Math.com

www.math.com/tables/constants/pi.htm

Pi is often written using the symbol and is pronounced "pie", just like the dessert. History | Pi web ... Ancient civilizations knew that there was a fixed ratio of circumference to diameter that was approximately equal to three. ... Does it ever end?

What is Pi? - LiveScience

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

Apr 30, 2013 ... Pi equals the circumference divided by the diameter of a circle. Credit: YuryZap | ... There is no exact value, seeing as the number does not end.

Why isn't pi equal to 22/7? - Quora

www.quora.com/Why-isnt-pi-equal-to-22-7

Why is the average sinuosity of all the rivers in the world equal to pi? Is equal to .... Why does pi or 22/7 radian regarded as 180 degrees? How does the ...

One Million Digits of Pi · Pi Day

www.piday.org/million/

One Million Digits of Pi. 3.... T-Shirts ... new-yorker. News & Events: The New Yorker: Why Pi Matters · pi-pie-pan · Pi Sightings: Pi Pie Pan.

Popular Q&A
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Q: What does e^(-i*pi) equal?
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Q: If the area of a circle is 27 pi, then what does the radius equal...
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Q: What does eU(-pi*i) equal and why
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