Amit Garg

Dr Amit Garg is an Indian mathematician and mental calculator working as senior operations research engineer in USA.^{[1][2][3][4][5][6][7][8][9][10]} On 15 March 2012, he broke the mental calculation world record of completing ten tasks to "divide a 10-digit number by a 5-digit number" in a record time of 5:45 minutes without any errors.^{[11][12][13][14][15][16]} These tasks were constructed by a program provided by Dr Ralf Laue^[17] such that there are no remainders. The previous record holder was Willem Bouman from the Netherlands with a time of 6:07 minutes.^[11][16][18] This world record was accepted by Guinness World Records 2014, Ripley's Believe It or Not! 2014, The book of Alternative records, UK,^[12][16] Recordholder organisation,^[11] Limca Book of World Records,^[2] India book of Records, Unique World Records^[9] and RecordSetter.^[19] As a world record holder in mental calculation, Ralf Laue confirmed him as participant in the 5th Mental Calculation World Cup 2012 to be conducted at Germany.^[1]

On 22 August 2012, he won the silver medal in the Mental Calculation competition at the annually conducted Mind Sports Olympiad in London (UK). He was the first Indian to receive any of the medals in this category since the inception of this event in 1997. ^{[20][21][22][23]} Mental Calculation World Cup has standard and surprise category. On 1 October 2012, he received a sixth rank in the "most versatile calculator" category based on his performance in surprise tasks at the fifth Mental Calculation World Cup in Germany.^[24][25] He secured a 10th place in the overall ranking based on combination of standard and surprise tasks.

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