AKA: AUTO SHUT OFF, Product number (P/N): 0638,
Keywords/Tags: 0638 | Formel | II
Date of intro: 1979,
Power: Button: (x2),
Display: Type = Display (LCD yellow) (List), Digits = 8+1,
Number of keys: 25, #Key-Black: 7, #Key-Orange: 7, #Key-White: 11,
Classification: / Pocket,
Featuring: Procent, Square root,
Collector value: 7/10,