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ARUN MANGAL Visit to Germany as Indian Representative in 1st Mental Calculation World Cup 2004 On 30th Oct, 2004 at Annaberg-Buchholz,Germany in the memory of Sir Jon Adam Rice " The great German Mathematician " |
| The best Mental Calculators around the world get together to compete in various branches of mathematics as well as performance in world record attempts of mental calculation | |
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| Arun Mangal performs world record attempts by reciting the ' periodic system ' in Germany on 30th Oct 04
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An "human Calender" in real sense, who can instantly disclose a day of the week from memory for any date of the year of any centuries ( B.C or A.D ) without help of any technical or physical instrument . |
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Arun Mangal has also developed a perpetual calender ( 3.5" * 2.5" ) which is 'smallest size evergreen calender' in the world. one can easily disclose a day of the weak for any date of every year regarding any century . His name has also been incorported in
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1st Mental Calculation World Cup 2004 |
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