Although a spreadsheet is suitable for the more complex accounts and calculations in your business, your operating system's built-in calculator is there for quicker problems. Computer calculators ...

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It was the fall of 1965 and Jack Kilby and Patrick Haggerty of Texas Instruments sat on a flight as Haggerty explained his idea for a calculator that could fit in the palm of a hand. This was a huge ...

Over the course of the 1970s, handheld electronic calculators transformed the way tens of millions of people did arithmetic. Engineers abandoned slide rules, business people gave up desktop ...