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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 - Wikipedia


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

100,000 Digits of Pi


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

Value Of Pi - C2 Wiki


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


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


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

VALUE OF PI - EUdesign


Useful mnemonic rhymes for remembering the value of Pi to various decimal places. Info provided by EUdesign.com. One of several in an indexed series.

Ask Alexa for the value of pi (if you have time to kill) - CNET


Nov 15, 2016 ... Get comfortable. Amazon's Alexa assistant gives a long-winded, not entirely literal answer when you request the value of pi.

What is Pi? - Live Science


Apr 30, 2013 ... There is no exact value, seeing as the number does not end. Many mathematicians and math fans are interested in calculating pi to as many ...

What is the exact value of pi? - Math Central


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.