FAC

Functional Array Calculator. An APL-like language, but purely functional and lazy. It allows infinite arrays.

["FAC: A Functional APL Language", H.-C. Tu and A.J. Perlis, IEEE Trans Soft Eng 3(1):36-45 (Jan 1986)].

Source: The Free On-line Dictionary of Computing (27 SEP 03)
 

Fac \Fac\ (f[a^]k), n. [Abbrev. of facsimile.]

A large ornamental letter used, esp. by the early printers, at the commencement of the chapters and other divisions of a book. --Brande & C. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

Fac \Fac\ (f[a^]k), n. [Abbrev. of facsimile.]

A large ornamental letter used, esp. by the early printers, at the commencement of the chapters and other divisions of a book. --Brande & C.

Source: Webster's Revised Unabridged Dictionary (1913)