Shakuntala Devi, Popularly known as the Human Computer for her awesome ability to mentally solve complex mathematical problems.
Without any
formal education as a child, Shakuntala Devi had the ability to memorize and
calculate numbers mentally. An ability her circus artist father discovered
while playing cards with her, when she was just three. He apparently found that
she beat him not by sleight of hand, but by memorizing the cards.
In 1977 in
USA, Shakuntala Devi competed with a computer to see who gives the cube root of
188132517 faster, she won.