America Online (1992) 5 Web Browser Chat DOS Windows

America Online was a proprietary dial-up online service that eventually grew to offerer Internet access. In the mid 1990s AOL was very heavily promoted. Every month or two, you were sure to get a free AOL floppy disk or CD-ROM in the mail. AOL originated as PC-Link.

• 1.x

ChiWriter (1990) 7 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.

• 4.2

Derive (1994) 8 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

PATHWORKS (1994) 6 Web Browser Communications DOS

PATHWORKS is a network client suite that enables PCs to communicate with VMS and Ultrix systems from Digital Equipment Corporation.

• 5.1
• 6.0

SPSS/PC (1993) 0 Mathematics DOS

SPSS/PC+ is high end statistics package that supports organizing, analyzing, and graphing data.

• 5.x