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Questions and Answers
Which early tool involved sliding counters along rods or wires?
Which early tool involved sliding counters along rods or wires?
What was a significant breakthrough in manual computing in the early seventeenth century?
What was a significant breakthrough in manual computing in the early seventeenth century?
What was the first commercially successful calculator in the 19th century?
What was the first commercially successful calculator in the 19th century?
Which early mechanical calculators were created by Blaise Pascal and Gottfried Leibniz?
Which early mechanical calculators were created by Blaise Pascal and Gottfried Leibniz?
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What served as early tools for recording numbers and became common later?
What served as early tools for recording numbers and became common later?
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What was the impact of the adoption of mechanical calculators on bookkeeping?
What was the impact of the adoption of mechanical calculators on bookkeeping?
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Who developed the world's first printing calculator, which was used by the Dudley Observatory for astronomical calculations?
Who developed the world's first printing calculator, which was used by the Dudley Observatory for astronomical calculations?
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What was the purpose of the cash register invented by James Ritty in 1879?
What was the purpose of the cash register invented by James Ritty in 1879?
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What was the main driver for the development of adding and calculating machines during the American Gilded Age?
What was the main driver for the development of adding and calculating machines during the American Gilded Age?
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What led to the replacement of male bookkeepers with female bookkeepers in the late 1800s?
What led to the replacement of male bookkeepers with female bookkeepers in the late 1800s?
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