What Does Lotus 1-2-3 Mean?

Lotus 1-2-3 was a spreadsheet program developed by Lotus Software, which is now part of IBM, and was first released on January 26, 1983. Lotus 1-2-3 was not the first spreadsheet application, but because of its capabilities it became the industry standard throughout the 1980s and ’90s.

Techopedia Explains Lotus 1-2-3

Lotus 1-2-3 was originally developed by Jonathan Sachs, who had already developed two spreadsheet applications while employed at Concentric Data Systems. Lotus itself was founded by Mitchell Kapor, who was a friend of the developers of VisiCalc, the number-one spreadsheet program at the time.