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The Life Story Of PI

03:41 Posted by DurgaSwaroop

STORY OF PI (Ï€)

Pi (Ï€)  is defined as the ratio of the circumference of a circle to its diameter. There is no such thing as its exact value because it is a non-terminating non-recurring decimal number,which when simply put means that its value has no end. It is also referred as a TRANSCENDENTAL NUMBER, and more importantly it is an irrational number(like √2 ,√3 ...).

The decimal representation of pi(Ï€) has an approximate value of 3.14,which we take normally  for many calculations in general math.

The first 100 significant figures of  Ï€ are
Ï€ = 3.14159265358979323846264338327950288419716939937510582097
4944592307816406286208998628034825342117067... ... (the laundry list continues forever)

The fractions 22/7, 355/113 approximate to its value(but still not exact).
355/113  = 3.14159292  (accurate up to six digits)
22/7 = 3.142857143 (accurate only up to two places)
For general purpose calculations 22/7 is taken as  Ï€  [close but not close enough :-)]

The value of  Ï€ to 1,00,000 significant figures is.............................

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