formac formac acronym of formula manipulation compiler was an early computer algebra system based on fortran it was developed by jean e sammet formac supported computation manipulation and use of symbolic expressions bibliography jean e sammet the beginning and development of formac formula manipulation compiler proceedings of hoplii the second acm sigplan conference on history of programming languages p 209230 1993 isbn0897915704 doi101145154766155372 history of programming languages formac this programminglanguagerelated article is a stub you can help wikipedia by expanding itvte 