Alfred S. Posamentier, Ingmar Lehmann
: A Biography Of The World's Most Mysterious Number

: A Biography Of The World's Most Mysterious Number

PI-this seemingly mundane numer-holds a world of mystery, which has fascinated mathematicians from ancient times to the present. What is PI? What is the real value of PI? How to mathematicians determine the value of PI? In what ways is PI used? How was it calculated in ancient times? Its elusive nature has led investigators over the years to ever-closer approximations.
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