Her peculiar ability is indeed rare, perhaps one in hundreds of millions,” he wrote in his report. The short answer: Jensen could not figure out the secret of her skills: “ of the objective test results begins to explain why or how Devi is able to perform feats with numbers that are so far beyond what most of us can do in this sphere as to seem incredible. The psychologist Jensen, who died in 2012, published his findings in the journal Intelligence in 1990. One of the most comprehensive accounts is the report on the tests at University of California-Berkeley in 1988. By the time she was a teenager, she was already travelling around the world, usually before audiences in colleges and universities. Once she began to extract cube roots rapidly in her head, she became a performer exhibiting her skills. Daughter of a circus performer, she travelled with her parents since she was three years old, and is said to have cultivated her calculating abilities while performing card tricks. (Express Archive/R K Sharma)īy all accounts, Shakuntala Devi was entirely self-taught. Shakuntala Devi was popularly known as the ‘human calculating machine’. But when the dates were stated to her in the order year, month, day (for example 1920-July-31), “her answers came about as fast as one could start the stopwatch”, the 1988 test at Berkeley found. If the date was stated in the order month, day, year (for example, July-13-1920), her average response time was about 1 second. For example, if you gave her the date July 31, 1920, she would immediately tell you that it was a Saturday. * Calendar calculations: Given any date in the last century, she could instantly say which day of the week that date fell on. At Imperial College on June 18, 1980, Shakuntala Devi was asked to multiply two 13-digit numbers: * Long multiplication: This is the skill that got her into the Guinness Book of Records in 1982.
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