Product number (P/N): 400,
Keywords/Tags: 400
Date of intro: 1974, Dimensions: 127x76x23mm, Weight: 100g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List),
Number of keys: 19, #Key-Grey: 19,
Miscellaneous switch: [(Blank)-ON],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Related with: CORVUS_docu: (Broch.) *: Consumer Electronics,
Main Components: MOSTEK: MK50280N,
Original Equipment Manufacturer : CORVUS: 400 (version-1) (List of all Export-OEM-models from CORVUS), Resemblance with: J.C.PENNEY: 2310 (version-1); J.C.PENNEY: 2310 (version-2), (Resemblance 086),
Serie-members: CORVUS: 400 (version-2) (9 dark keys); CORVUS: 400 (version-1) (No dark keys),
Known Serial-numbers: 400121387 (400-121387) (List of all S/Ns from CORVUS)
Collector value: 7.5/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM, Link-2: SMITHSONIAN MUSIC