CBASIC (1981) 17 CPM

Digital Research CBASIC is a BASIC implementation that "compiles" basic code in to interpreted byte code that is run using a royalty-free runtime. BASIC source code is not needed to run a program. CBASIC was a popular programming language under CP/M. There were also versions for MS-DOS. MBASIC's rounding errors that were sometimes troublesome for accounting. machine code. Later versions also included support for GSX graphics extensions.

• 1.x

Cdex Managing Your Business With the Lotus 1-2-3 Program (1983) 0 Education Other

Managing Your Business With the Lotus 1-2-3 Program is an on-disk training system that focuses on the practical application of analyzing your business's performance while using the Lotus 1-2-3 spreadsheet. It includes quizzes, exercises, and sample spreadsheet templates.

• 1983

Cdex Training for the VisiCalc Program (1983) 0 Education Other

Released by Cdex in 1983, this is an interactive training program that will teach you how to use VisiCalc. Cdex also sold training programs for WordStar, SuperCalc, EasyWriter ||, The IBM Personal Computer, and The Apple //e Personal Computer. There were versions for both the IBM PC an Apple II.

• 1983

Lighthouse Design Ltd Productivity Applications for NEXTSTEP and OpenStep (1995) 0 Word Processor Spreadsheet Presentations Graphics Publishing Communications Other Database Mathematics Other

Lighthouse Design Ltd Productivity Applications is an application suite of programs for NeXT computers.

• MAY 1995

Microsoft BASIC (1981) 30 CPM DOS

Although Microsoft did not invent BASIC, their founding product was a BASIC interpreter for the Altair computer. The descendants below includes Microsoft's BASIC-80 (MBASIC), BASIC-86 (pre-GWBasic), BASIC for Mac, BASIC Compiler 86/88, Basic Compiler for Mac, and Professional Development System 7.x. IBM Personal Computer Basic Compiler, GW-BASIC, QuickBasic, and Visual Basic are listed separately.

• -80
• -80 Compiler 5.x
• -86 5.x

VisiCalc (1982) 0 Spreadsheet Other

VisiCalc was the first spreadsheet program for personal computers. It was extremely successful, and pivotal as it was significantly responsible for moving personal computing out of the realm of hobbyists and in to the realm of serious business tools. application suite that also included VisiWord, VisiFile, VisiSpell, VisiTrend/Plot, and VisiTutor. a GUI based environment. But that did not catch on. The similarly named Visi On Calc spreadsheet is not at all related to VisiCalc, and later had to be renamed to Visi On Plan.

• Advanced Apple III