Jan Van Koningsveld
Mental Multiplication
Records
Record for Jan Van Koningsveld are displayed below:
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Mental Multiplication
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Mental Multiplication: 2 random 8 digits numbers: Fastest: 50.88 seconds. Van Koningsveld.
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Multiplication
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Multiplication: 5 Digit Numbers: 10 Tasks: 3 min 6 sec. Jan van Koningsveld of Germany holds the corresponding record for 5-digit numbers with a time of 3:06 minutes, achieved on November 25, 2005 in Emden (Germany). BOAR
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