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from Scoop.it

Pi Formulas -- from Wolfram MathWorld - Mathematica

Pi Day is an international holiday that is celebrated by the entire world on March The reason Pi Day is celebrated on March is that the first 3 numbers form number which can easily be changed to or March Pi is an irrational number...

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from HubPages

What is Pi. Includes formulas, equations, examples.

Four pi formulas

from HubPages

What is Pi. Includes formulas, equations, examples.

All about pi and Pi Day. Includes pi formulas and equations.

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from the Guardian

Pi Day 2015: meet the man who invented π

Anglesey-born William Jones was the first person to use the Greek letter π for the ratio of a circle’s circumference to its diameter. But who was this little-known figure?

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