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1622 aparece la regla de cálculo
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Siglo XVII "La Pascalina" máquina aritmética
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Siglo XIV Maquina analitica
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5000 ac aparece el ábaco
A list shows items. A timeline shows sequence.
Use Timetoast to make dates, milestones, and turning points easier to understand in a clear visual format. Timetoast is a timeline maker for work, school, research, and stories.