单词	calculator
释义	calculator /ˈkalkjʊleɪtə / noun Something used for making mathematical calculations, in particular a small electronic device with a keyboard and a visual display: a pocket calculator... In those days, mainframe computers were coming into usage and electronic calculators were also just appearing. Remember, he invented the pocket calculator and revolutionised personal computing. This is true of virtually all non-PC electronics devices, from calculators to hi-fi systems to most mobile phones.
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