AKA: PROCAL 508AY, AKA (Label): ELECTRONIC CALCULATOR, MODEL 508AY, Product number (P/N): 508AY,
Keywords/Tags: 508AY | PROCAL
Date of intro: 1975, Origin: Japan (List), Dimensions: 156x102x43mm, Weight: 225g,
Power: 6V: (AA x4) + Adaptor,
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,
Main Components: NEC: µPD277C,
Known Serial-numbers: D5059179 | G4001294 | M4034343 (List of all S/Ns from BROTHER)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: Robert LACOSTE, Link-2