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VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...
It quickly overtook VisiCalc, as well as Multiplan and SuperCalc, the two VisiCalc competitors. Lotus 1-2-3 was the state-of-the-art spreadsheet and the standard throughout the 1980s and into the early 1990s, part of an unofficial set of three stand-alone office automation products that included dBase and WordPerfect, to build a complete ...
Lotus' first product was presentation software for the Apple II known as Lotus Executive Briefing System. Kapor founded Lotus after leaving his post as head of development at VisiCorp, the distributors of the VisiCalc spreadsheet, and selling all his rights to VisiPlot and VisiTrend to VisiCorp.
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 ...
Lotus was founded in 1982 by partners Mitch Kapor and Jonathan Sachs with backing from Ben Rosen. [5] By the end of that year the company offered Executive Briefing System, presentation software for the Apple II. [6]
The introduction of Lotus 1-2-3 in November 1982 accelerated the acceptance of the IBM Personal Computer. It was written especially for IBM PC DOS and had improvements in speed and graphics compared to VisiCalc on the Apple II, this helped it grow in popularity. [36] Lotus 1-2-3 was the leading spreadsheet for several years.
Lotus Development Corp. releases Lotus 1-2-3, which would become the IBM PC's first "killer application", making the PC as VisiCalc made the Apple II and WordStar made the CP/M machines. It was programmed entirely in assembly language and bypassed the slower DOS screen input/output functions in favor of writing directly to memory-mapped video ...
Bricklin was awarded the Grace Murray Hopper Award in 1981 for VisiCalc. Bricklin could not patent VisiCalc, since software inventions were not eligible for patent protection at the time. Bricklin was chairman of Software Arts until 1985, the year that Software Arts was acquired by Lotus. [9] He left and founded Software Garden.