AKA: KC-80N Liquid Crystal, AKA (Label): MODEL KC-80N, ELECTRONIC CALCULATOR, Product number (P/N): KC80N (KC-80N),
Keywords/Tags: KC80N (KC-80N) | Liquid Crystal
Date of intro: 197?, Origin: Japan (List),
Adaptor: KOKUYO_adaptors: KC3,
Display: Type = Display (LCD reverse) (List), Digits = 8+1,
Number of keys: 17,
Classification: / Pocket,
Made by: SHARP (List of all Import-OEM-models for KOKUYO),
Known Serial-numbers: 4202763Y | 4202764Y | 4717184Y (List of all S/Ns from KOKUYO)
Collector value: 8/10,
Courtesy of: DENTAKU MUSEUM,
Info: This model was a unique variant made by SHARP specifically for KOKUYO
It omitted the standard internal battery and flip-up mirror screen layout, running instead on an external power adapter, a configuration Sharp did not sell under its own brand.
Internet: Link-1: DENTAKU MUSEUM