Did you know????

-- The earliest known reference to pi is a Middle Kingdom papyrus scroll,
written around 1650 BC.
--The first 100 digits of pi were first calculated in 1701.
--In 1949, a digital computer first calculated pi to 2037 digits.  It took 70 hours!
--Simon Plouffe was listed in the 1975 Guinness Book of World Records for
reciting 4,096 digits of pi from memory.
--With the use of computers, pi has been calculated to over 51 billion decimal places.