Guided tours through the Arithmeum

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Prof. Dieter Rautenbach

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Free Admission

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Free admission

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Free admission

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Dipl. Ing. Horst Barsuhn, IBM

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Early data processing

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Mechanical calculating

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How did people count in earlier times?

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Guided tours and free entrance

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Bob Bonies

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Red, Blue, Yellow and Green

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Computer memory using punched holes

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1+1=10 Calculating the computer way

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Pinwheels and Stepped Drums

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1 + 1 = 2 Addition with machines

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Calculating with the Abacus

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