Republik Treibstoff Schweigend fx 82 casio Unendlichkeit Schuldner mütterlicherseits
Casio FX82 calculator I bought in 1982 at the age of 15. Used it throughout school, my apprenticeship and work as a draughtsman. Don't use it much now but it still works
CASIO Schulrechner FX-82 MS 2nd edition | Kaufland.de
Rechner für Schüler und Lehrer | Casio Taschenrechner