AKA: SC-645, Product number (P/N): SC645 (SC-645),
Keywords/Tags: SC645 (SC-645)
Date of intro: ~1974,
Display: Type = Display (LED) (List),
Number of keys: 40,
Classification: / Pocket,
Featuring: Scientific functions, Square root, PI,
Resemblance with: (Resemblance 058),
Serie-members: MELCOR: SC645 (version-1) (4 Blue Keys); MELCOR: SC645 (version-2) (9 Blue Keys),
Known Serial-numbers: 843261 (List of all S/Ns from MELCOR)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),