189514 ⎘
Methods or arrangements for processing data by operating upon the order or content of the data handled; Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices; Adding; Subtracting; Half or full adders, i.e. basic adder cells for one denomination using algebraic addition of the input signals, e.g. Kirchhoff adders