Mental Calculation World Cup 2014 Dresden, Germany, [removed]October 2014 The best mental calculators from all over the world are invited to the 6th Mental Calculation World Cup[removed]Date: 10-12 October[removed]contest: 11

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• Mathematics competitions
• Educational psychology
• Mental Calculation World Cup
• Mental calculation
• Calculation
• Pi
• Calculator
• Jan van Koningsveld
• Priyanshi Somani
• Mental calculators
• Mathematics
• Intelligence