| 1/00 | Computing aids in which the computing members form at least part of the displayed result and are manipulated directly by hand, e.g. abacus, pocket adding device |
| 3/00 | Arrangements for table look-up, e.g. menstruation table |
| 5/00 | Non-functional elements |
| 5/02 | Non-functional elements Housings; Frameworks |
| 7/00 | Input mechanisms (pin carriage G06C 13/02) |
| 7/02 | Input mechanisms (pin carriage G06C 13/02) Keyboards |
| 7/04 | Input mechanisms (pin carriage G06C 13/02) Keyboards Interlocking devices, e.g. between keys (interlocking devices covered by this subclass, in general G06C 25/00) |
| 7/06 | Input mechanisms (pin carriage G06C 13/02) Keyboards with one set of keys for each denomination |
| 7/08 | Input mechanisms (pin carriage G06C 13/02) Keyboards with one set of keys for all denominations, e.g. ten-key board |
| 7/09 | Input mechanisms (pin carriage G06C 13/02) Transfer of data from record carrier to computing mechanisms (sensing record carriers G06K 7/00) |
| 7/10 | Input mechanisms (pin carriage G06C 13/02) Transfer mechanisms, e.g. transfer of a figure from a ten-key keyboard into the pin carriage |
| 7/12 | Input mechanisms (pin carriage G06C 13/02) Resetting devices, e.g. for the keyboard |
| 9/00 | Transfer mechanisms, e.g. for transmitting figures from the input mechanism into the computing mechanism (G06C 7/1, G06C 11/00, G06C 15/00 take precedence) |
| 9/02 | Transfer mechanisms, e.g. for transmitting figures from the input mechanism into the computing mechanism (G06C 7/1, G06C 11/00, G06C 15/00 take precedence) Back-transfer arrangements, e.g. to transfer a value accumulated in a register back into the selection mechanism |
| 11/00 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) |
| 11/02 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) with visual indication, e.g. counter drum |
| 11/04 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) with printing mechanisms, e.g. for character-at-a-time or line-at-a-time printing |
| 11/06 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) with printing mechanisms, e.g. for character-at-a-time or line-at-a-time printing having type hammers |
| 11/08 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) with punching mechanism |
| 11/10 | Output mechanisms (marking record carriers in general, visual presentation in general of results of the mathematical operations G06K) Arrangements for feeding single sheets or continuous web or tape, e.g. ejection device (conveying record carriers G06K 13/00); Line-spacing devices |