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Charles Babbage invented the Difference Engine because "On June 14, 1822, Charles Babbage proposed the use of such a machine in a paper to the Royal Astronomical Society, entitled "Note on the application of machinery to the computation of astronomical and mathematical tables".[4]This machine used the decimal number system and was powered by cranking a handle. The British government was interested, since producing tables was time consuming and expensive and they hoped the difference engine would make the task more economical."

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