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Charles Babbage crea una máquina que se puede usar para ejecutar calculaciones de tablas simples
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La primera calculadora guiada por teclas exitosas, se inventó por Dorr Eugene Felt
Plan projects on a visual timeline
Map milestones, phases, deadlines, and key events in one place so the sequence is easier to see and share. Timetoast is a timeline maker for work, school, research, and stories.