AKA: ELSI MATE EL-407, AKA (Label): ELECTRONIC CALCULATOR, EL-407, Product number (P/N): EL407 (EL-407),
Keywords/Tags: EL407 (EL-407) | 407 | ELSI MATE
Date of intro: 1981, Origin: Japan (List), Dimensions: 113x65x7mm, Weight: 58g,
Power: 3V: (LR44 x2),
Display: Type = Display (LCD) (List),
Number of keys: 23, #Key-Black: 22, #Key-Red: 1,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [CLOCK-CALC-SET],
Classification: / Pocket / Time,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Patents: 3902169(US); 3976994(US),
Related with: SHARP_docu: (Cat.) 198202 (Japanese); (Docu_Catalogs): ARGOS: 1982; (Docu_Catalogs): ARGOS: 1982 Autumn; SHARP_docu: (Cat.) 198110 (Japanese),
Main Components: SHARP: SC3939S,
Known Serial-numbers: 16016244 | 36020254 | 86035554 (List of all S/Ns from SHARP)
Initial Cost Price: 4500 JPY (€ 36,45), Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),