FP
2. floating-point.
3. Functional Programming. A combinator-based functional language by John Backus stressing the use of higher-order functions.
Implementation by Andy Valencia. ftp://apple.com/comp.sources.Unix/volume13.
See also FFP, FL, IFP, Berkeley FP.
["Can Programming be Liberated From the von Neumann Style? A Functional Style and Its Algebra of Programs", John Backus, 1977 Turing Award Lecture, CACM 21(8):165-180 (Aug 1978)].