Product number (P/N): 507,
Keywords/Tags: 507
Date of intro: 1990, Origin: China (List),
Power: Solar,
Display: Type = Display (LCD) (List), Digits = 8+1,
Number of keys: 23,
Classification: / Pocket,
Featuring: Procent, Square root, Memories: 1,
Collector value: 6/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM