J - Derivative and redesign of APL. Purely functional with lexical scope
and more conventional control structures, plus several new concepts such as
function rank and function arrays. "APL?", Roger K.W. Hui et al, APL90
Conf Proc, Quote Quad 20(4):192-200. Version 4.1 for MS-DOS, Sun, Mac,
Archimedes. Source available in C from Iverson Software, (416)925-6096.
ftp://watserv1.waterloo.edu/languages/apl/j
Comments, Experience, Additions
Next Language: J3