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  2. Robert Fountain (mental calculator) - Wikipedia

    en.wikipedia.org/wiki/Robert_Fountain_(mental...

    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 ...

  3. Mental calculator - Wikipedia

    en.wikipedia.org/wiki/Mental_calculator

    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 ...

  4. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    Mental calculation consists of arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator. People may use mental calculation when computing tools are not available, when it is faster than other means of calculation (such as conventional educational institution ...

  5. Category:Mental calculators - Wikipedia

    en.wikipedia.org/wiki/Category:Mental_calculators

    Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item; ... Pages in category "Mental calculators"

  6. Alberto Coto García - Wikipedia

    en.wikipedia.org/wiki/Alberto_Coto_García

    Alberto Coto García (born May 20, 1970) is a Spanish mental calculator. He was the world champion in mental calculation from 2008 to 2010. Professionally he is a financial adviser and accountant. He has demonstrated his skills and has appeared on some TV shows and news [citation needed]. In recent years he has carried out demonstrations and ...

  7. Zerah Colburn (mental calculator) - Wikipedia

    en.wikipedia.org/wiki/Zerah_Colburn_(mental...

    Download as PDF; Printable version; In other projects ... 1839) [1] [2] [3] was an American child prodigy of the 19th century who gained fame as a mental calculator ...

  8. Mental calculators - Wikipedia

    en.wikipedia.org/?title=Mental_calculators&...

    Pages for logged out editors learn more. Contributions; Talk; Mental calculators

  9. George Lane (mental calculator) - Wikipedia

    en.wikipedia.org/.../George_Lane_(mental_calculator)

    George Lane (born 1964) is a British mental calculator and author. 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.