IPC Subgroup
G06C 15/08 Multiplying or dividing devices; Devices for computing the exponent or root
Introduced: September 1968
Last revised: January 2006
Full Title
Computing mechanisms; Actuating devices therefor > Multiplying or dividing devices; Devices for computing the exponent or root
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
6 direct subcodes
Child Classifications
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- G06C 15/1 having more than one denominational set of keys operating directly on computing mechanism
- G06C 15/12 having pin carriage
- G06C 15/14 having pin wheel, e.g. Odhner type
- G06C 15/16 having stepped-toothed actuating drums, e.g. Thomas type
- G06C 15/18 having multiplication table for forming partial products
- G06C 15/2 adapted for short-cut multiplication or division