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arithmetic machine

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arithmetic machine

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John Napier's calculating machine invention is called "Napier's Bones."

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lathe machine hour

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The very first calculating "machine" was human hands and fingers.

The abacus was next in about 300 BC.

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he filed the patent for his first calculating machine in 1885 then improved one in in 1892

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Economics

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What is the total of all goods produced in a year called

In a period of inflation there are too many goods and not enough money

Caveat emptor means that the producer will be protected against fraudulent business practices but must protect the consumer

What is the period of time when the overall economic conditions are improving called

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