''Grammatik'' was the first grammar checking program developed for home computer systems. Aspen Software of

Albuquerque, NM Albuquerque ( ; ), ; kee, Arawageeki; tow, Vakêêke; zun, Alo:ke:k'ya; apj, Gołgéeki'yé. abbreviated ABQ, is the most populous city in the U.S. state of New Mexico. Its nicknames, The Duke City and Burque, both reference its founding in ...

, released the earliest version of this diction and style checker for personal computers. It was first released no later than 1981, and was inspired by the ''

Writer's Workbench The Writer's Workbench (wwb) is a grammar checker created by Lorinda Cherry and Nina Macdonald of Bell Labs. It is perhaps the earliest grammar checker to receive wide usage on Unix systems. Capabilities wwb's utilities were capable of analysing ...

''. ''Grammatik'' was first available for a

Radio Shack RadioShack, formerly RadioShack Corporation, is an American retailer founded in 1921. At its peak in 1999, RadioShack operated over 8,000 worldwide stores named RadioShack or Tandy Electronics in the United States, Mexico, United Kingdom, Austra ...

TRS-80 The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer launched in 1977 and sold by Tandy Corporation through their Radio Shack stores. The name is an abbreviation of '' ...

, and soon had versions for CP/M and the IBM PC. Reference Software of

San Francisco San Francisco (; Spanish for " Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th ...

, California, acquired ''Grammatik'' in 1985. Development of ''Grammatik'' continued, and it became an actual grammar checker that could detect writing errors beyond simple style checking. Subsequent versions were released for the

MS-DOS MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few ope ...

Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for ser ...

Macintosh The Mac (known as Macintosh until 1999) is a family of personal computers designed and marketed by Apple Inc. Macs are known for their ease of use and minimalist designs, and are popular among students, creative professionals, and software en ...

and

Unix Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, an ...

platforms. Grammatik was ultimately acquired by WordPerfect Corporation and is integrated in the WordPerfect

word processor A word processor (WP) is a device or computer program that provides for input, editing, formatting, and output of text, often with some additional features. Early word processors were stand-alone devices dedicated to the function, but current ...

References

Natural language processing 1981 software {{computing-stub