• Thumbnail for VisiCalc
    VisiCalc ("visible calculator") is the first spreadsheet computer program for personal computers, originally released for the Apple II by VisiCorp on October...
    33 KB (3,371 words) - 19:17, 14 May 2025
  • spreadsheet program called "VisiOn Calc". (Not to be confused with VisiCalc). One of Visi On's features was an hourglass cursor that indicated when the system...
    18 KB (2,355 words) - 00:00, 26 April 2025
  • Thumbnail for Lotus 1-2-3
    1983, and immediately overtook Visicalc in sales. Unlike Microsoft Multiplan, it stayed very close to the model of VisiCalc, including the "A1" letter and...
    62 KB (6,881 words) - 03:56, 1 May 2025
  • Thumbnail for History of personal computers
    released in 1983. Concurrently to the Lisa, VisiCorp (noted for the VisiCalc spreadsheet) was working on the Visi On GUI environment (first demonstrated at...
    157 KB (20,597 words) - 19:33, 8 May 2025
  • Thumbnail for Spreadsheet
    ExecuCalc, from Parallax Systems, Inc.: Released in late 1982, ExecuCalc was the first mainframe "visi-clone" which duplicated the features of VisiCalc on...
    80 KB (9,720 words) - 19:52, 4 May 2025
  • Thumbnail for VisiCorp
    best-selling business software. VisiCalc sales peaked in January and declined. VisiCorp agreed in 1979 to pay 36–50% of VisiCalc revenue to Software Arts, compared...
    8 KB (842 words) - 19:39, 25 April 2025
  • Thumbnail for Dan Bricklin
    businessman and engineer who is the co-creator, with Bob Frankston, of VisiCalc, the first spreadsheet program. He also founded Software Garden, Inc.,...
    13 KB (1,300 words) - 02:16, 28 January 2025
  • "VisiCalc is the first program available on a microcomputer that has been responsible for sales of entire systems", and Creative Computing's VisiCalc review...
    36 KB (3,395 words) - 02:02, 13 May 2025
  • Thumbnail for Apple II
    business software for the Apple II, including the 1979 release of the popular VisiCalc spreadsheet, made the computer especially popular with business users and...
    54 KB (6,243 words) - 15:03, 25 April 2025
  • Thumbnail for TRS-80
    for example, if a VisiCalc user suffers a spontaneous reboot, to recover data the user enters V+C+SPACE+✶ at TRSDOS Ready, and Visicalc restores the previous...
    109 KB (13,627 words) - 01:05, 2 May 2025
  • Thumbnail for SuperCalc
    SuperCalc is a spreadsheet published by Sorcim in 1980. VisiCalc was the first spreadsheet program, but at first was not available for the CP/M operating...
    8 KB (759 words) - 01:35, 2 May 2025
  • Thumbnail for Bob Frankston
    software engineer and businessman who co-created, with Dan Bricklin, the VisiCalc spreadsheet program. Frankston is also the co-founder of Software Arts...
    5 KB (372 words) - 07:12, 13 September 2024
  • of development at VisiCorp, the distributors of the VisiCalc spreadsheet, and selling all his rights to VisiPlot and VisiTrend to VisiCorp. Shortly after...
    22 KB (2,279 words) - 02:02, 22 March 2025
  • Thumbnail for History of Apple Inc.
    of the business world: VisiCalc, a spreadsheet. So important that the Apple II became what John Markoff described as a "VisiCalc accessory", the application...
    154 KB (15,927 words) - 03:53, 6 May 2025
  • latter by software such as "killer app" spreadsheet applications, e.g. VisiCalc and Lotus 1-2-3, were so compelling that personal computers and word processing...
    21 KB (2,627 words) - 06:57, 12 March 2025
  • Thumbnail for Microsoft Excel
    spreadsheet program by 1983, surpassing both Multiplan and the earlier VisiCalc. To address Multiplan's falling marketshare, Microsoft began developing...
    101 KB (9,663 words) - 21:09, 1 May 2025
  • product was envisioned in 2005 by Bricklin, who 27 years earlier created VisiCalc, the first commercial spreadsheet program for the personal computer. Version...
    3 KB (236 words) - 03:57, 9 October 2022
  • Frankston in 1979 to develop VisiCalc, which was published by a separate company, Personal Software Inc., later named VisiCorp. Software Arts also developed...
    3 KB (179 words) - 08:00, 2 July 2024
  • Thumbnail for TRS-80 Model II
    killer app VisiCalc for the Apple II. In 1983, VisiCorp produced an update of Visicalc which Tandy sold for the Model 16 called Enhanced VisiCalc. This version...
    30 KB (3,842 words) - 17:42, 13 May 2025
  • Thumbnail for Multiplan
    program developed by Microsoft and introduced in 1982 as a competitor to VisiCalc. Multiplan was released first for computers running CP/M; it was developed...
    7 KB (715 words) - 21:10, 1 May 2025
  • eastern Texas Bob Frankston, co-creator of the first spreadsheet program, VisiCalc Frankton (disambiguation), various places worldwide Frankeston, a breed...
    544 bytes (96 words) - 11:05, 11 December 2024
  • Thumbnail for ACM Software System Award
    Daniel Henry Holmes Ingalls, Jr., Alan C. Kay 1986 TeX Donald E. Knuth 1985 VisiCalc Dan Bricklin, Bob Frankston 1984 Xerox Alto Butler W. Lampson, Robert Taylor...
    7 KB (111 words) - 15:01, 2 May 2025
  • functionalities implemented in computer spreadsheets, with the initial version of VisiCalc (1979) including a LOOKUP function among its original 20 functions. This...
    22 KB (3,067 words) - 08:54, 20 February 2025
  • Thumbnail for Mitch Kapor
    of development at VisiCorp, the distributors of the VisiCalc spreadsheet, and selling all his rights to VisiPlot and VisiTrend to VisiCorp. Shortly after...
    17 KB (1,549 words) - 16:53, 10 January 2025
  • Thumbnail for List of spreadsheet software
    it took the market from Visicalc in the early 1980s. 1983, Dynacalc for OS-9 a Unix-like operating system, similar to VisiCalc. 1984, Lotus Symphony for...
    11 KB (1,247 words) - 14:12, 9 October 2024
  • did not make significant inroads into minicomputer use until 1979, when VisiCalc prompted record sales of the Apple II on which it ran. The IBM PC introduced...
    17 KB (1,958 words) - 20:51, 27 April 2025
  • about the Politicization of the PC Industry by Dan Fylstra. Photo of Dan Fylstra with VisiOn and VisiCalc – Computer History Museum Appearances on C-SPAN...
    5 KB (414 words) - 02:55, 22 November 2024
  • Thumbnail for Application software
    killer application or killer app, coined in the late 1980s. For example, VisiCalc was the first modern spreadsheet software for the Apple II and helped sell...
    19 KB (2,045 words) - 01:42, 13 May 2025
  • Thumbnail for Home computer
    niche for itself in business, thanks to the industry's first killer app, VisiCalc, released in 1979. However, the Apple II would quickly be displaced for...
    94 KB (11,752 words) - 15:27, 12 May 2025
  • Thumbnail for Apple III
    Jobs expected hobbyists to purchase the Apple II; however, because of VisiCalc and Disk II, small businesses purchased 90% of the computers. The Apple...
    38 KB (4,492 words) - 20:55, 6 May 2025