Transaction Application Language TAL Tandem Application Language <language, Tandem> (TAL) Not "Tandem Application Language". A {block-structured}, {procedural} language optimised for use on {Tandem} {hardware}. TAL is a cross between {C} and {Pascal} and is the primary system programming language on {Tandem} computers. Tandem has no {assembler} and originally had no C or Pascal. [Was TAL derived from HP's System Programming Language?] (2001-07-09)