(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 is sold 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.

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E-mail: <[email protected]>.