Scott Flansburg (born December 28, 1963) is an American dubbed "The Human Calculator" and listed in the Guinness Book of World Records for speed of mental calculation.
Flansburg then shared his first secret, which he claims to have discovered while golfing with rock star Alice Cooper on Sept. 9, 1999. He explained that every number higher than nine subtracts down to nine. For example, five plus five equals 10, and 55 minus 10 equals 45
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Scott Flansburg
Scott Flansburg (born December 28, 1963) is an American dubbed "The Human Calculator" and listed in the Guinness Book of World Records for speed of mental calculation.
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Flansburg then shared his first secret, which he claims to have discovered while golfing with rock star Alice Cooper on Sept. 9, 1999. He explained that every number higher than nine subtracts down to nine. For example, five plus five equals 10, and 55 minus 10 equals 45