AKA (Label): ELECTRONIC CALCULATOR, MODEL 508ER, Product number (P/N): 508ER,
Keywords/Tags: 508ER
Date of intro: 1976, Origin: Japan (List), Dimensions: 145x77x20mm,
Power: Rechargeable,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 25, #Key-Blue: 13, #Key-Orange: 1, #Key-White: 11,
Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Memories: 1,
Main Components: NEC: µPD278C,
Known Serial-numbers: D7011379 | D8027969 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),