Product number (P/N): 440,
Keywords/Tags: 440
Date of intro: 1977, Origin: Poland (List),
Power: 9V,
Display: Type = Display (LED) (List),
Number of keys: 20, #Key-Grey: 9, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x04,
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 006),
Serie-members: ELWRO: 440 (version-1) (No Blue Keys); ELWRO: 440 (version-2) (Also Blue Keys, different font); ELWRO: 440 (version-3) (Also Blue Keys, different font); ELWRO: 440 (version-4) (Also Blue Keys + Square Root),
Collector value: 7.5/10,