With IBM's entry into the market, VisiCalc was slow to respond, and when they did, they launched what was essentially a straight port of their existing system despite the greatly expanded hardware capabilities. The first spreadsheet, VisiCalc, had helped launch the Apple II as one of the earliest personal computers in business use.
It was the first killer application of the IBM PC, was hugely popular in the 1980s, and significantly contributed to the success of IBM PC-compatibles in the business market. Lotus 1-2-3 is a discontinued spreadsheet program from Lotus Software (later part of IBM). DOS, Windows, OS/2, classic Mac OS, MVS, VM/CMS, OpenVMS, PC-98, Unix, Linux
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