= About VisiCalc = VisiCalc, originally released for the Apple II in 1979, was ground-breaking application that brought the full potential of the personal computer to business users. |!3 Early History of the Spreadsheet | |! |! Software Arts [1] |! Competitors [2] | | 1979, January | Software Arts, founded | | | 1979, October | VisiCalc for Apple ][ | | | 1981 | VisiCalc for IBM PC | | | 1983, January | | Lotus 1-2-3 for IBM PC | | 1985, September | | Microsoft Excel for Macintosh | For a comprehensive and fascinating history of VisiCalc, I refer you to Dan Brinklin's incredible [http://www.danbricklin.com/history/sai.htm VisiCalc history] page. === See also: === * [[Historic Software]] === References === # http://www.danbricklin.com/history/saiearly.htm # http://en.wikipedia.org/wiki/Lotus_1-2-3 # http://www.brutaldeluxe.fr/projects/visicalc/index.html VisiCalc Reference Cards Historic Software