AKA: EL-8131, ELSI MATE / ELECTRONIC CALCULATOR, AKA (Label): ELECTRONIC CALCULATOR, EL-8131, Product number (P/N): EL8131 (EL-8131),
Keywords/Tags: EL8131 (EL-8131) | 8131 | ELSI MATE / ELECTRONIC CALCULATOR
Date of intro: ~1977, Origin: Japan (List), Dimensions: 133x83x20mm, Weight: 130g,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Brand = FUTABA: 9ST20, Digits = 8+1,
Number of keys: 25,
Classification: / Pocket,
Featuring: Procent, Square root, Memories: 1,
Related with: SHARP_docu: (Instr.) EL8131; SHARP_parts: SPAKC4570CCZZ (Box) EL8131,
Main Components: SHARP: SC36442,
Known Serial-numbers: 72079285 | 72160167 | 82059026 | 823 | 98030021 (List of all S/Ns from SHARP)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: VINTAGE TECHNOLOGY, Link-2: SCHLEPPTOPS Rechnerwiki, Link-3: EARLY ELECTRONIC CALCULATOR TECHNOLOGY REFERENCE, Link-4: SMITHSONIAN MUSIC, Link-5: Robert LACOSTE, Link-6: CALCULATORCOLLECTION