ABstat (1988) 1 Mathematics DOS

ABstat, from AndersonBell, is a statistical package that contains a variety of statistical functions, creates graphs, features a command language, and can directly use dBase files.

• 5.x

Mathcad (1989) 0 Mathematics DOS

Mathcad is computer software primarily intended for the verification, validation, documentation and re-use of engineering calculations.

• 2.5

MatLab (1986) 1 Mathematics DOS

MatLab is a high speed, interactive programming utility for manipulating, calculating, and plotting complicated mathematical equations. It is considered easy to use for those familiar with typical algebra equations.

• 1.x (DOS)
• 3.5 (DOS)

Quattro Pro (1987) 4 Spreadsheet DOS Windows

Quattro Pro, initially just named "Quattro", is a spreadsheet application from Borland International. It competed against Lotus 1-2-3 and Excel, and had several advantages including tabbed sheets, and the ability to handle up to a million rows. Quattro Pro was the subject a lawsuit by Lotus, simply because because Quattro Pro copied their menu user interface, but Lotus claimed this was not allowed. This also affected The Twin and VP-Planner.

• 1.0
• Pro 1.x
• 2.x
• 3.x
• SE 1.0
• 4.x (DOS)
• 5.x
• 5.6 (DOS)

Statpro Statistics (1983) 0 Mathematics DOS

Statpro is a comprehensive statistics system for Apple II, and later IBM PC, computers. It is written using the UCSD P-System.

• 1.x