G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
G06F7/46—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using electromechanical counter-type accumulators
G06F7/462—Multiplying; dividing
G06F7/465—Multiplying; dividing by partial product forming (with electric multiplication table)