June 2018
Intermediate to advanced
849 pages
28h 46m
German
| Rechenstab mit drei Zungen | 3-slide slide rule |
| Rechenstab mit Gelenk | hinged slide rule, joint slide rule, hinged rule, joint rule |
| Rechenstab mit Scharnier | hinged slide rule, joint slide rule, hinged rule, joint rule |
| Rechenstab mit zwei Zungen | 2-slide slide rule |
| Rechenstab System Darmstadt | Darmstadt slide rule, Darmstadt rule |
| Rechenstab System Mannheim | Mannheim slide rule, Mannheim rule |
| Rechenstab System Rietz | Rietz slide rule, Rietz rule |
| Rechenstäbchen | numbering rod |
| Rechenstäbchen (Genaille) | Genaille’s rods |
| Rechenstäbchen (Genaille-Lucas) | Genaille-Lucas rulers |
| Rechenstäbchen (Neper) | Napier’s rods, Napier’s bones, Napier rods, Napier bones, Napierian rods |
| Rechenstäbchen (Zählstock) | counting rod, calculating rod, computing rod, counting stick, numbering rod ... |