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[[STSC]]'s '''APL*PLUS Nested Arrays System''' (acronymized '''NARS''', from "Nested Array Research System") was the first commercial [[Nested array model|nested]] APL implementation. Drawing on work by [[Jim Brown]], [[Trenchard More]], and development manager [[Bob Smith]], NARS introduced a new set of functions for working with arrays that contain arrays, as well as many new operators such as [[Power (operator)|Power]].<ref name="manual">Carl M. Cheney. ''[http://www.sudleyplace.com/APL/Nested%20Arrays%20System.pdf APL*PLUS Nested Arrays System]'' (reference manual). [[STSC]]. 1981.</ref> | [[STSC]]'s '''APL*PLUS Nested Arrays System''' (acronymized '''NARS''', from "Nested Array Research System") was the first commercial [[Nested array model|nested]] APL implementation. Drawing on work by [[Jim Brown]], [[Trenchard More]], and development manager [[Bob Smith]], NARS introduced a new set of functions for working with arrays that contain arrays, as well as many new operators such as [[Power (operator)|Power]].<ref name="manual">Carl M. Cheney. ''[http://www.sudleyplace.com/APL/Nested%20Arrays%20System.pdf APL*PLUS Nested Arrays System]'' (reference manual). [[STSC]]. 1981.</ref> It was heavily influenced by [[Ken Iverson]]'s 1978 paper "Operators and Functions",<ref>[[Ken Iverson]]. [https://www.jsoftware.com/papers/opfns.htm ''Operators and Functions'']. IBM Research Report #RC7091. 1978-04-26.</ref> and as a result features the first implementations of many primitives that were later added to [[SHARP APL]] and [[J]] under Iverson's direct supervision. | ||
== Primitives == | == Primitives == |