Ashlar Vellum (1990) 0 Graphics Engineering MacOS

Ashlar Vellum is a CAD package for mechanical engineers and designers, that includes the ability to intelligently predict where the user wants to connect the next object. There were both "2D" and "3D" versions.

• 2.x (Mac)

MacDraft (1987) 0 Graphics Engineering MacOS

MacDraft is a powerful but easy to use 2D object oriented drawing environment. Supports auto dimensioning, area calculation, rotation, cursor position indicator, and much more while maintaining an appearance similar to Mac Draw. The product was targeted at users that only occasionally used a CAD program.

• 1.x

Mathcad (1989) 0 Mathematics MacOS

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

• 2.0

MatLab (1986) 6 Mathematics Windows MacOS

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.

• 4.x