CentralNotice From Wikipedia, the free encyclopedia Jump to: navigation , search "APL programming language family" redirects here. For programming languages that were influenced by APL, see Category:APL programming language family . APL Paradigm array , functional , structured , modular Designed by Kenneth E. Iverson Developer Kenneth E. Iverson First appeared 1964 Typing discipline dynamic Major implementations Dyalog APL , IBM APL2 , APL2000 , Sharp APL, APLX , NARS2000 , GNU APL [ 1 ] Dialects A+ , Dyalog APL, APLNext, ELI , J Influenced by mathematical notation Influenced J , [ 2 ] K , [ 3 ] Mathematica , MATLAB , [ 4 ] Nial , [ 5 ] PPL , Q , S This article contains APL source code . Without proper rendering support , you may see question marks, boxes, or other symbols instead of APL symbols . Prom...