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the first calculator to be used in an office (his father's to compute taxes) the first calculator commercialized (with around twenty machines built) [5] the first calculator to be patented (royal privilege of 1649) [33] the first calculator to be described in an encyclopaedia (Diderot & d'Alembert, 1751) [34] the first calculator sold by a ...
Another important factor is the extent to which part-time work is widespread, which is less common in developing countries. In 2017, the Southeast Asian state of Cambodia had the longest average working hours worldwide among 66 countries studied. Here, the working time per worker was around 2,456 hours per year, which is just under 47 hours per ...
It was the first calculator that could perform all four basic arithmetic operations. [3] Its intricate precision gearwork, however, was somewhat beyond the fabrication technology of the time; mechanical problems, in addition to a design flaw in the carry mechanism, prevented the machines from working reliably. [4] [5]
John Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was an English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of how to calculate longitude while at sea.
1956. Minimum wage: $1 In 2025 money: $11.85 On Mar. 1, 1956, the minimum wage was raised by one-third, just as it had been in 1945. For the first time in history, those entering the workforce ...
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