| Sedezimalsystem | hexadecimal |
| Dezimalsystem | decimal system |
| Duodezimalsystem | duodecimal system |
| Hexadezimalsystem | hexadecimal |
| Vigesimalsystem | vigesimal |
| Inertialsystem | inertial reference frame |
| Dezimalstelle | decimal place |
| Spezialist | expert specialist |
| Spezialistin | specialist |
| Oktalsystem | octal numeral system |
| Schneeballsystem | pyramid scheme |
| Schulsystem | school system |
| Dateisystem | file system |
| Sechsersystem | senary |
| Betriebssystem | operating system production system |
| Bezugssystem | frame of reference reference frame |
| Binärsystem | binary system |
| Leitsystem | distributed control system |
| Schriftsystem | writing system |
| Sternsystem | star system |