AKA: PROCAL 508Y, AKA (Label): ELECTRONIC CALCULATOR, MODEL, Product number (P/N): 508,
Keywords/Tags: 508 | PROCAL
Date of intro: 1974, Origin: Japan (List), Dimensions: 153x100x42mm,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 22, #Key-Orange: 1, #Key-White: 21,
Miscellaneous switch: [OFF-ON-K],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: NEC: µPD277C,
Original Equipment Manufacturer : BROTHER: 508 (List of all Export-OEM-models from BROTHER), Resemblance with: HEMMI SLIDE RULE: 80MR,
Known Serial-numbers: K4018937 | K4020876 (List of all S/Ns from BROTHER)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),