AKA: MEMORY SAFE GUARD / AUTO POWER OFF, ELSI MATE EL-819S, AKA (Label): ELECTRONIC CALCULATOR, EL-819S, Product number (P/N): EL819S (EL-819S),
Keywords/Tags: EL819S (EL-819S) | 819S | ELSI MATE
Date of intro: 1982, Origin: Japan (List), Dimensions: 105x61x4mm, Weight: 50g,
Power: 3V: (Button x1),
Display: Type = Display (LCD) (List),
Number of keys: 24,
Classification: / Pocket,
Featuring: Procent, Square root,
Known Serial-numbers: 07040431 | 07070783 | 07304651 | 07370626 (List of all S/Ns from SHARP)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),