AKA: PROCAL 508S, Product number (P/N): 508S,
Keywords/Tags: 508S | PROCAL
Date of intro: 1973, Origin: Japan (List), Dimensions: 156x100x45mm, Weight: 290g,
Power: Rechargeable,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 25,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Memories: 1,
Resemblance with: SUN HEMMI: 804,
Known Serial-numbers: H4004716 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),