AKA: LCD III, AKA (Label): ELECTRONIC CALCULATOR, Silver Seiko International, Product number (P/N): LC257,
Keywords/Tags: LC257 | LCDIII (LCD III) | Silver Seiko International
Date of intro: 1982, Origin: Hong Kong (List),
Power: 3V: (Button x2),
Display: Type = Display (LCD) (List),
Number of keys: 27, #Key-Blue: 14, #Key-Grey: 11, #Key-Red: 2,
Keyboard Array (Rows x Columns): 05x05, Keyboard Layout: [OFF] [ON] - [MRC] [M+] [M-] [(Pi)] [1/x] - [7] [8] [9] [(Division)] [x²] - [4] [5] [6] [x] [(SquareRoot)] - [1] [2] [3] [-] [x(Power n)] - [0] [.] [%] [+] [=],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Known Serial-numbers: 097644 (List of all S/Ns from SILVER-REED)
Collector value: 7/10,