1. FOrmula CALculator.

An interactive system written by Rick Merrill of DEC in 1969 for PDP-5 and PDP-8. It was a descendant of AID/JOSS.

Versions: FOCAL-69, FOCAL-1971, FOCAL-11 (for PDP-11 under RT-11).

Last updated: 1994-12-21

2. Forty-One CAlculator Language.

The programming language of the HP-41 calculator line.

Last updated: 1994-12-21