| 1. | That version solved problems faster than 100 human operators with mechanical desk calculators.
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| 2. | In the 1950s and 1960s, economists used electromechanical desk calculators to calculate regressions.
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| 3. | The firing table calculations were accomplished by about one hundred women operating mechanical desk calculators.
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| 4. | Another program written by the PDP-1 hackers was Expensive Desk Calculator, in a similar vein.
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| 5. | American mathematicians John Wrench and Levi Smith reached 1, 120 digits in 1949 using a desk calculator.
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| 6. | Then, with the aid of a mechanical desk calculator obtained result in much better agreement with experiment.
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| 7. | This error was highlighted in 1944 by D . F . Ferguson ( using a mechanical desk calculator ).
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| 8. | Beside him was a holstered pistol, next to a desk calculator, a box of tissues and two bottles of mineral water.
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| 9. | These were calculated using the only available tools of the time, an eight-digit mechanical desk calculator and a very large slide rule.
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| 10. | Beside him was a holstered pistol with belt, next to a desk calculator, a box of tissues and two bottles of mineral water.
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