DIN ISO 8485:1991-05

Gives definition of the APL programming language and the environment in which it is used. Facilitates interchange and promotes portability of APL programs and programming skills. Specifies the semantics and syntax of APL and the characteristics of the environment in which APL programs are executed. Also specifies requirements for conformance to this standard. Does not specify: required values for implementation limits such as APL workspace size or numeric precision; implementation properties that are likely to vary with the operating system or particular equipment used; the facilities available through shared variables; and the data structures used to represent APL objects.