AKA: LC 688, AUTO SHUT OFF, ELECTRONIC CALCULATOR, AKA (Label): AUTO POWER OFF, ELECTRONIC CALCULATOR, Product number (P/N): LC688 (LC 688),
Keywords/Tags: LC688 (LC 688) | ELECTRONIC CALCULATOR
Date of intro: 1982, Origin: Taiwan (List), Dimensions: 100x60x6mm, Weight: 44g,
Power: 3V: (LR54 x2),
Display: Type = Display (LCD) (List),
Number of keys: 25,
Classification: / Pocket / Audio,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: SHARP: LI3033MT,
Resemblance with: NATIONAL SEMICONDUCTOR: 220; TEXAS INSTRUMENTS: 1756; UNISONIC: LC7311BK, Made by: TECHNICO (List of all Import-OEM-models for INTERNATIONAL MERCHANDISING ASSOCIATES (IMA)),
Known Serial-numbers: 8571527 (List of all S/Ns from INTERNATIONAL MERCHANDISING ASSOCIATES (IMA))
Collector value: 7/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM