How MS Excel revolutionised data analysis and brought us the magic of PC spreadsheets
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'What is a double foolscap?' they asked.
And I went on to explain that a double foolscap is a large sheet of paper with horizontal lines — so called from the watermark of a fool's cap used on such paper in Europe from the 15th c. onwards.
In the early 1980s, when I used to do a bit of media planning, we had no option but to create physical spreadsheets — draw vertical lines to create 'cells' and fill out the individual cells manually. Then we would do the calculations, cell by cell. These could take hours, or even days. From there, we have reached a stage where even a high school student has become adept at handling (digital) spreadsheets.
Microsoft Excel's first version was launched in 1985 for — irony alert! — Apple's Mac. There are probably 400 mn paid users of MS Excel today around the world. But it wasn't Excel that started the spreadsheet revolution. The credit goes to VisiCalc, the first spreadsheet program for PCs, released in 1979 for Apple II. Launched a few years later, Lotus 1-2-3 became even more popular in the 1980s — until Microsoft came with Excel.
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