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What is the purpose of the mathematical number pi?
where it is used in practical applications?

Tags: money, careers, computers & internet
Asked by peeping tom, 02 Jul '12 10:26 pm
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Answers (2)


The number (/pa/) is a mathematical constant that is the ratio of a circle's circumference to its diameter. The constant, sometimes written pi, is approximately equal to 3.14159. It has been represented by the Greek letter "" since the mid-18th century. is an irrational number, which means that it cannot be expressed exactly as a ratio of two integers (such as 22/7 or other fractions that are commonly used to approximate ); consequently, its decimal representation never ends and never repeats. It is a transcendental number a number that cannot be produced with a finite sequence of algebraic operations (sums, products, powers, and roots). The transcendence of implies that it is impossible to solve the ancient challenge of squaring the circle with a compass and ruler. The digits in the decimal representation of appear to be random, although no proof of this supposed randomness has yet been discovered.
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Because is closely related to the circle, it is found in many formulae f ...more
Answered by ashutosh, 02 Jul '12 10:28 pm

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Answered by k one, 03 Jul '12 11:28 am

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