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nov 4, 1642 - Se inventa y fabrica la sumadora mecánica llamada Pascalina.

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La pascalina fue la primera calculadora que funcionaba a base de ruedas y engranajes.

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Alexander Chicas 1°-K-ITSI

ByAlexander Rivas

31 Oct 2017

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nov 4, 1642

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~ 383 years ago

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