Here’s a simple number game to play on a rainy day, or while sheltering in place. You and I take turns crossing out numbers from the list {1, 2, 3, …, 9}. The winner is the last person to cross out a ...
1983: Lotus Development Corporation begins selling its spreadsheet application for Microsoft DOS, called 1-2-3. 1-2-3 was not the first spreadsheet application -- it was preceded by VisiCalc. But ...
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