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The Abacus is used to calculate numbers.
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It is used to perform different calculations including addition and multiplication.
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It is used to help the people going to space calculate their trip.
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The Pascaline is a calculator only used for addition.
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It is used to calculate wooden punched cards which is hanged by a large rope.
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The “Difference Engine” is used to compute number example logarithm tables, but it makes hundreds of mistakes.
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Mark I is the first known programmable “Computer”.
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.Flow-Matic is the first known compiler.
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The first Smartphone and tablets were made.
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Tesla made cars which run with electric.
