1. FOrmula CALculator.
An interactive system written by Rick Merrill of
DEC in 1969
Versions: FOCAL-69, FOCAL-1971, FOCAL-11 (for
PDP-11 under
(1994-12-21)
2. Forty-One CAlculator Language.
The programming language of the HP-41 calculator line.
(1994-12-21)