Product number (P/N): 1660,
Keywords/Tags: 1660
Date of intro: 1976, Origin: Hong Kong (List), Dimensions: 130x68x23mm, Weight: 84g,
Power: 9V + Adaptor, Adaptor: RADOFIN_adaptors: AD20,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 19, #Key-Black: 11, #Key-Brown: 1, #Key-Beige: 7,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Components: 9 ... 1 Capacitor(s), 3 Resistor(s), 2 Transistor(s), 2 IC(s),
Main Components: RADOFIN: XM141-20A,
Resemblance with: (Resemblance 006),
Serie-members: RADOFIN: 1660 (version-1) (Black); RADOFIN: 1660 (version-2) (Beige),
Known Serial-numbers: 166019227 (1660 19227) | 166026040 (1660 26040) (List of all S/Ns from RADOFIN)
Collector value: 7.5/10,
Internet: Link-1: VINTAGE TECHNOLOGY