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2. Lotus 1-2-3 - Wikipedia

   en.wikipedia.org/wiki/Lotus_1-2-3

   Lotus 1-2-3 is a discontinued spreadsheet program from Lotus Software (later part of IBM). 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.

3. Lotus Software - Wikipedia

   en.wikipedia.org/wiki/Lotus_Software

   Lotus released Lotus 1-2-3 on January 26, 1983. [7] The name referred to the three ways the product could be used, as a spreadsheet, graphing tool, and database manager. The last two functions were less often used in practice, but 1-2-3 was the most powerful spreadsheet program available.

4. List of spreadsheet software - Wikipedia

   en.wikipedia.org/wiki/List_of_spreadsheet_software

   1983, Lotus 1-2-3 for MS-DOS, the first killer application for the IBM PC, it took the market from Visicalc in the early 1980s. 1983, Dynacalc for OS-9 a Unix-like operating system, similar to VisiCalc. [11] 1984, Lotus Symphony for MS-DOS, the follow-on to Lotus 1-2-3; 1985, Boeing Calc for MVS and MS-DOS, written by subsidiary of aviation ...

5. Mitch Kapor - Wikipedia

   en.wikipedia.org/wiki/Mitch_Kapor

   Mitchell David Kapor (/ ˈ k eɪ p ɔːr / ⓘ KAY-por; born November 1, 1950 [1] [2]) is an American entrepreneur best known for his work as an application developer in the early days of the personal computer software industry, later founding Lotus, where he was instrumental in developing the Lotus 1-2-3 spreadsheet. He left Lotus in 1986.

6. Lotus Symphony (MS-DOS) - Wikipedia

   en.wikipedia.org/wiki/Lotus_Symphony_(MS-DOS)

   Lotus Symphony was an integrated software package for creating and editing text, spreadsheets, charts and other documents on the MS-DOS operating systems. It was released by Lotus Development as a follow-on to its popular spreadsheet program, Lotus 1-2-3, [1] and was produced from 1984 to 1992. Lotus Jazz on the Apple Macintosh was a sibling ...

7. VisiCalc - Wikipedia

   en.wikipedia.org/wiki/VisiCalc

   A more dramatic change occurred with the 1983 launch of Lotus Development Corporation's Lotus 1-2-3, created by former Personal Software/VisiCorp employee Mitch Kapor, who had written VisiTrend and VisiPlot. Unlike the IBM PC version of VisiCalc, 1-2-3 was written to take full advantage of the PC's increased memory, screen, and performance.