Jan. 26, 1983: Spreadsheets as Easy as 1-2-3
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 1-2-3 quickly became the most popular, helping to boost sales of IBM PCs and PC clones, all of which ran
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