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# How Is Pi Used Today?

Pi is used today in practical applications that include astronomy, physics, engineering and architecture. The task of computing pi to billions or trillions of decimal points is often used as a speed test for supercomputers.

Continue ReadingThe decimal representation of pi is infinite and appears to have no patterns whatsoever. In 2014, the record for calculating digits of pi is 12 trillion, a computation that took more than a year. However, using an approximation of pi with only a few hundred digits of precision is sufficient for practical applications. Pi is still taught in schools as part of introductory geometry, where the most common approximations are 3.14 and the fraction 22/7.

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