| G | PHYSICS |
| 06 | COMPUTING; CALCULATING; COUNTING |
| F | ELECTRIC DIGITAL DATA PROCESSING |
| 7 | Methods or arrangements for processing data by operating upon the order or content of the data handled |
| 38 | Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation |
| 48 | using non-contact-making devices, e.g. tube, solid state device; using unspecified devices |
| 483 | Computations with numbers represented by a non-linear combination of denominational numbers, e.g. rational numbers, logarithmic number system, floating-point numbers |
