1. A processing apparatus for manufacturing process control, comprising: A. first input means for inputting digital signals representative of one or more resource elements consumed in said manufacturing process, B. second input means for inputting digital signals representative of one or more resource elements produced by said manufacturing process, C. third input means for inputting digital signals representative of manufacturing relations associated with said manufacturing process between at least one consumed resource and a set of one or more produced resources, said manufacturing relations including at least one of an operational relation, a planning relation, and a financial relation, D. production modeling means, coupled with said first, second and third input means, for generating and storing a production model comprising digital signals representative of said manufacturing relations, said production modeling means including means for generating digital signals representing one-to-one, one-to-many, many-to-one, and many-to-many manufacturing relations between consumed and produced resource elements, and E. output means, coupled with said production modeling means and with said first and second input means, for generating output signals representative of at least selected portions of said manufacturing process, including manufacturing relations associated therewith.