Lotus — 1-2-3 For Windows
Today, Lotus 1-2-3 survives only in the muscle memory of older accountants who still press the slash key by accident, and in the dusty CD-ROMs of those who remember what it meant to be King.
In the pantheon of PC software history, few names carry the weight of Lotus 1-2-3 . In the 1980s, it was the undisputed king of the spreadsheet, the original “killer app” that sold millions of IBM PCs to businesses. It was lean, it was fast, and it ran on DOS. lotus 1-2-3 for windows
Reviewers at the time often admitted: Its database capabilities (thanks to the built-in Lotus Approach query tools) were better. Its spreadsheet auditing was unmatched. Its 3D worksheets were more intuitive than Excel’s workbooks. Today, Lotus 1-2-3 survives only in the muscle
Lotus 1-2-3 for Windows was a resource hog. On a 386 with 4MB of RAM (standard at the time), it crawled. Recalculating a large model could send you for coffee. Excel 4.0 and 5.0 were noticeably snappier. It was lean, it was fast, and it ran on DOS

