Gert Mittring
Gert Mittring (born 26 May 1966[1] in Stuttgart)[citation needed] is a German mental calculator. He was inspired by the late Wim Klein.[2] He has competed in the MSO mental calculation event every year since 2004, failing to win the gold medal outright on only four occasions.[3] He has held numerous world records for mental calculation, such as calculating the 89247th root of a 1000000 digit number.[4] He has doctorates in statistics and mathematics education, and is a member of the Intelligence Research Committee of Intertel.[5][6] Mittring is said to have been poor in math during his school years.[7] He has written several books on mental calculation.[8][9] References
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