| Programm | Role | Version | Datum |
|---|---|---|---|
| Chemie-Calculator | Programmierer | 2.1 | 1994-08-21 |
| Handbook | Programmierer | 2.0 | 1994-08-01 |
| Konstantin | Programmierer | 2.0b | 1994-08-01 |
| Komplexe | Programmierer | 0.1 | 1991-11-17 |
| CHEMIE | Programmierer | 1.9a | |
| Perioden-System | Programmierer | 2.0 |
