Man recites Pi to 100,000 places

Pi.Akira Haraguchi, a 60-year-old Japanese man, has broken the world record for reciting the constant pi up to its 100,000 th digit. It took him more than 16 hours to complete this feat, thus shattering his personal best of 83,431 st digit which he set in 1995.

Pi is a physical constant defined as the ratio of a circle's circumference to its diameter. It is usually written out to a maximum of three decimal places, as 3.141, in math textbooks. But the number, which has fascinated scientists for centuries, has no theoretical limit to the number of decimal places it can be written to. It is a constant that appears in the proofs of many equations defining the universe.

Link: Live Science via AttuWorld
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