Shakuntala Devi 

Indian calculating prodigy

"Numbers have life, They are not just symbols on paper"

 Shakuntala was born on November 4, 1939 in Bangalore, India was well known Human Computer. 

In 1977 In Dallas she competed with a computer to see who give the cube root of 

188138517 faster, she won. 

At university of USA she was asked to give the 23rd root of 

91674867692003915809866092758538016248310668014430862240712651642793465704086709659 32792057674808067900227830163549248523803357453169351119035965775473400756818688305 620821016129132845564895780158806771.

She answered in 50seconds. The answer is 546372891. It took a UNIVAC 1108 computer, full one minute (10 seconds more) to confirm that she was right after it was fed with 13000 instructions.

• Revisiting Numbers with Shakuntala Devi -Watch 

Books

•  Book of Numbers (New Delhi: Orient, 2006). ISBN 978-81-222-0006-5  

  • In the Wonderland of Numbers (New Delhi: Orient, 2006). ISBN 978-81-222-0399-8
  • Super Memory: It Can Be Yours (New Delhi: Orient, 2011). ISBN 978-81-222-0507-7; (Sydney: New Holland, 2012). ISBN 978-1-74257-240-6, OCLC 781171515
  • Mathability: Awaken the Math Genius in Your Child (New Delhi: Orient, 2005). ISBN 978-81-222-0316-5
  • Astrology for You (New Delhi: Orient, 2005). ISBN 978-81-222-0067-6
  
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  Figuring: The Joy of Numbers

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