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Shakunthala devi is a Indian Mathematician born on 4th November 1929. She was renowned as mental calculator and **human computer** for her ability to solve the complex mathematical problems. For her 84^{th} birthday, Google honored her through its doodle with a calculator font and her picture. She doesn't had any formal eduction in Mathematics.

She is a child prodigy and recorded in **Guinness Book of World Records** for her magnificent ability in Mathematics. In 1977, at Southern Methodist University in USA, she was competed with the computer to find out the **23 ^{rd} root of a 201-digit number**. She found answer in just 50 seconds.

Computer Department of Imperial College, London picked up the multiplication of two 13-digit numbers 7,686,369,774,870 x 2,465,099,745,779 randomly. She gave the correct answer 18,947,668,177,995,426,462,773,730 in just 28 seconds.

She wrote books like The joy of numbers, Puzzles to puzzle you, The book of numbers, Awaken the Genius in Your Child, Mathablit and so on. She also got the ability to tell the days of the week of any given date in the last century.

She died at the age of 83, on April 2013 at Bangalore following heart and kidney disorders.

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Daily Maths Topic Today - shakuntala devi.