(for sense 3) from German Fürstentum Liechtenstein Principality of Liechtenstein
fl.
abbreviation
1.
floruit
symbol
2.
(formerly in the Netherlands) guilder
FL in Technology
language Function Level. John Backus's successor to FP, developed ca. 1985. FL is dynamically typed and adds higher-order functions, exceptions, user-defined types and other features. ["FL Language Manual, Parts 1 & 2", J. Backus et al, IBM Research Report RJ 7100 (1989)]. (1994-10-20)