FORmula MAnipulation Compiler. J. SAMmet & Tobey, IBM Boston APD, 1962. An extension of Fortran for {symbolic mathematics}. Versions: PL/I-FORMAC and FORMAC73. ["Introduction to FORMAC", J.E. SAMmet et al, IEEE Trans Elec Comp (Aug 1964)]. [SAMmet 1969, pp. 474-491].