Product number (P/N): 400,
Keywords/Tags: 400
Date of intro: ~1975,
Power: 9V + Adaptor,
Display: Type = Display (LED: as bulb) (List), Digits = 8+1,
Number of keys: 22, #Key-Blue: 5, #Key-Grey: 4, #Key-Red: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 06x04,
Miscellaneous switch: [(ArrowRight)-ON],
Classification: / Pocket,
Featuring: Scientific functions, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Clones 020),
Serie-members: ELTEX: 400 (version-1) (Black); ELTEX: 400 (version-2) (Silver),
Known Serial-numbers: 111233 (List of all S/Ns from ELTEX)
Collector value: 7.5/10,