MAI Basic Four

MAI Basic Four (sometimes written as BasicFour or Basic 4) refers to a variety of Business Basic, the computers that ran it, and the company that sold them (its name given variously as MAI Basic Four Inc., MAI Basic Four Information Systems, and MAI Systems Corporation).

Basic/Four Corporation was created as a subsidiary of Management Assistance, Inc. in Irvine, California. Basic/Four sold small business minicomputers that were assembled from Microdata Corporation CPUs.

MAI Basic Four Business Basic was one of the first commercially available business BASIC interpreters. MAI Basic Four (the company) originally sold minicomputers but later offered superminicomputers and microcomputers. The computers ran a proprietary operating system, with the BASIC interpreter integrated.