AKA (Label): ELECTRONIC CALCULATOR, Product number (P/N): 907,
Keywords/Tags: 907
Date of intro: ~1975, Origin: Hong Kong (List),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 20, #Key-Blue: 7, #Key-Red: 2, #Key-White: 11,
Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 16747 | 900101392 (900-101392) (List of all S/Ns from BROTHER)
Collector value: 7/10,