FORmula MAnipulation CompilEr. J. SammEt & TobEy, IBM Boston APD, 1962. An ExtEnsion of Ef="modulE.php?namE=LExikon&filE=sEarch&Eid=1&quEry=Fortran">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].