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Robert Fountain (born in 1969) is a British mental calculator. He won the first Mental Calculation World Cup in 2004 and the second Mental Calculation World Cup in 2006. [1] [2] [3] In 1999 he was recognised by the Mind Sports Organisation as the first Grandmaster of Mental Calculation. Fountain was inspired to take up mental calculation as a ...
A mental calculator or human calculator is a person with a prodigious ability in some area of mental calculation (such as adding, subtracting, multiplying or dividing large numbers). In 2005, a group of researchers led by Michael W. O'Boyle, an American psychologist previously working in Australia and now at Texas Tech University , has used MRI ...
Willis Nelson Dysart (15 March 1923, in Omega, Georgia – 8 November 2011) [1] was an American mental calculator. His talent for arithmetic emerged at the age of three after his mother taught him to count. He quit school in the third grade (age 9) and pursued a career as a lightning calculator. [2] [3] [4] [5]
Mental calculation often involves the use of specific techniques devised for specific types of problems. People with unusually high ability to perform mental calculations are called mental calculators or lightning calculators. Many of these techniques take advantage of or rely on the decimal numeral system.
He is a five-time gold medalist in the Mental Calculations event at the annual Mind Sports Olympiad, [1] [2] and is one of only five Grandmasters of Mental Calculation, [3] as recognised by the Mind Sports Organisation. George is a regular facilitator at the annual Junior Mental Calculation World Championship. [4] He has written two books. [5] [6]
Salo Finkelstein (born 1896 or 1897, date of death unknown) was a mental calculator. He was born in Łódź (then within the Russian Empire , now in Poland ) to a Jewish family. While at school he was above average in mathematics, and discovered his calculating abilities as well as his faculty in memorizing numbers.
George Lane (mental calculator) (born 1964), mental calculator and author George Lane (minister) (1842–1904), inaugural president-general of the Methodist Church of Australasia George Lane (musician) , pseudonym for Eric Dolphy (1928–1964) on John Coltrane's Olé Coltrane album
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