AKA (Label): MODEL 1720 ELECTRONIC CALCULATOR, Product number (P/N): 1720,
Keywords/Tags: 1720
Date of intro: ~1976, Origin: Hong Kong (List), Dimensions: 170x85x12mm,
Power: 9V: (AAA x6),
Display: Type = Display (LED) (List),
Number of keys: 23, #Key-Black: 6, #Key-Blue: 6, #Key-White: 11,
Miscellaneous switch: [on-(ArrowLeft)],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Original Equipment Manufacturer : NOVUS: 91 (List of all Export-OEM-models from RADOFIN), Made by: NOVUSA (List of all Import-OEM-models for RADOFIN),
Known Serial-numbers: 56944 (List of all S/Ns from RADOFIN)
Collector value: 7.5/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM