Eureka: The Solver (1987) 1 Mathematics DOS

Eureka is a friendly and well-polished equation solver and plotter published by Borland. The software was targeted at both business people and scientists. Not only does it include scientific function, it also includes financial functions. It was notable for having a friendly windowing and menuing interface that let users do multiple things at a time. It competed directly with Mathcard.

• 1.0

Microsoft Paintbrush (1987) 0 Graphics DOS

Microsoft Paintbrush is Microsoft's OEM version of Zsoft PC/Publisher's Paintbrush for MS-DOS. It was commonly bundled with Microsoft mice in the late 80s and early 90s.

• 2.0
• 4.0

Vertisoft SpaceManager (1993) 0 Graphics DOS Windows

SpaceManager, from Vertisoft, the authors of DoubleDisk which became Microsoft DoubleSpace, is a utility that adds more features to DoubleSpace. It adds access to additional compression methods to get better compression at the expense of CPU speed, can bypass compression for files that do not compress well, automatically schedule a drive recompression, automatically mounts compressed floppy disks, and shows drive usage details and compression statistics.

• 1.5x