ChiWriter (1990) 0 Word Processor Mathematics DOS

ChiWriter is a WYSIWYG scientific text editor for DOS. Created by Cay Horstmann in 1986, it was one of the first that could write mathematical formulas on common PC computers.

• 4.00
• 4.2

Derive (1994) 4 Mathematics DOS

Derive was a computer algebra and graphing system, developed as a successor to muMATH by Soft Warehouse, Inc. in Honolulu, Hawaii, now owned by Texas Instruments. Derive was implemented in muLISP, also by Soft Warehouse. The first release was in 1988 for DOS. It was discontinued on June 29, 2007 in favor of the TI-Nspire CAS. The last and final version is Derive 6.1 for Windows.

• 2.x
• 3.x

Eureka: The Solver (1987) 0 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