Product number (P/N): 518ER,
Keywords/Tags: 518ER
Date of intro: ~1975, Origin: Japan (List), Dimensions: 143x75x20mm,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 28,
Classification: / Pocket,
Featuring: Procent, Square root, PI, Memories: 1,
Known Serial-numbers: K8028277 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),