If you are given with a problem which contains the multiplication of 3 digits numbers or 4 digits numbers and you should do without using calculator , how much time you require to do it. I think it takes couple of minutes. But it takes only seconds for Shakuntla Devi.
Shakuntla Devi was given the name as "HUMAN CALCULATOR" when she solved the 23rd root of a 201-digit number in 12 seconds which was faster than the Univac-1108 in 1977.
In 1980, she was also given a task of solving the multiplication of 13 digit numbers picked up by the computer science department of Southern Methodist University, London which was (7,686,369,774,870 X 2,465,099,745,779), she given the answer within a flash in 28 seconds as 18,947,668,177,995,426,462,773,730 which made her to enter into Guinness book of world records.
Shakuntala Devi was born on November 4, 1929 in Bengaluru in a Brahmin Kannadiga family in India. Shakuntala Devi dropped out of school because her father, a circus worker, could not afford the monthly school fee of Rs 2.
Seeing her mathematical abilities at her very young age, her father taught her mathematical operations like multiplication, division &
square root and took her to his circus to demonstrate her quick
calculation abilities & memory power to the crowds. At the age of 6, she gave her first major show at Mysore
University and there was no turning back after that.
'Puzzles to Puzzle You' is considered as one
of Shakuntala Devi's best works for aspiring and budding mathematicians.
Critics have rated this book as one of the best reads for people this publication sold over 6,000
copies in its first week and continues to be an inspiration for many.
Shakuntala Devi was also an excellent astrologer as well and provided remedies based on date and time of birth and place. She took her last birth April 21, 2013.
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