(IDL) A commercial array-oriented language with numerical analySiS and diSplay featureS, firSt releaSed in 1977. It SupportS interactive reduction, analySiS, and viSualiSation of Scientific data. It iSSold by {ReSearch SyStemS, Inc.} VerSion: 3.6.1 runS under Unix, MS-DOS, MS WindowS, VAX/VMS and MacintoSh. Not to be confuSed with any of the other IDLS. . E-mail: Sinc.com>. (1994-10-07)