AKA (Label): ELECTRONIC CALCULATOR, MODEL 712SR, Product number (P/N): 712SR,
Keywords/Tags: 712SR
Date of intro: 1976, Origin: Japan (List),
Power: 6V: (AA x4), Adaptor: BROTHER_adaptors: 4086A; BROTHER_adaptors: DC620E; BROTHER_adaptors: DC620RA,
Display: Type = Display (VFD) (List), Digits = 8+1+(2+1),
Number of keys: 45, #Key-Blue: 7, #Key-Grey: 25, #Key-Orange: 2, #Key-White: 11,
Miscellaneous switch: [DEG-RAD-GRAD OFF-ON],
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: NEC: µPD952C,
Known Serial-numbers: D6000434 (List of all S/Ns from BROTHER)
Collector value: 7.5/10,