School portable into house

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We have now placed Twitpic in an archived state. Enter the characters you see below Sorry, we just need to make sure you’re not a robot. Jump to navigation Jump to search This article is about the electronic device. For mechanical precursors to the modern calculator, see mechanical calculator.

An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s. Modern electronic calculators vary from cheap, give-away, credit-card-sized models to sturdy desktop models with built-in printers. They became popular in the mid-1970s as the incorporation of integrated circuits reduced their size and cost. In addition to general purpose calculators, there are those designed for specific markets.

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