IPC Subgroup
G06G 3/02 for performing additions or subtractions, e.g. differential gearing
Introduced: September 1968
Last revised: January 2006
Full Title
Devices in which the computing operation is performed mechanically > for performing additions or subtractions, e.g. differential gearing
Classification Context
- Section:
- PHYSICS
- Class:
- COMPUTING OR CALCULATING; COUNTING
- Subclass:
- ANALOGUE COMPUTERS