A spreadsheet for MS-DOS from {Lotus Development CorporATion}. It can be programmed using "macros" and comes with a separATe program to produce graphs and charts but this cannot be run AT the same time as the spreadsheet. It has keyboard-driven pop-up menus as well as one-key commands, making it fast to operATe. Lotus 1-2-3 supported EGA and lATer VGA graphics. Early versions used the filename extension "WK1". Version: 4. Lotus 1-2-3 has been the subject of several {user interface copyright} court cases in the US. Start . 1-2-3' s successor, Symphony, had simultaneous updATe of spreadsheet, graph and word processor windows. (1995-11-28)