Spreadsheets Apple II Style.
It is hard to remember a time when no one had a spreadsheet. Sure, you had big paper ledgers if you were an accountant. But most people just scribbled their math on note paper or, maybe, an engineering pad. [Christopher Drum] wanted to look at what the state of the art in 1978 spreadsheet technology could do. So he ran VisiCalc.
https://stonetools.ghost.io/visicalc-apple2/
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