AKA: CompuVoice, AKA (Label): ELECTRONIC CALCULATOR, MODEL JE-720U, Product number (P/N): JE720U (JE-720U),
Keywords/Tags: JE720U (JE-720U) | CompuVoice | 720U
Date of intro: ~1981, Origin: Japan (List), Dimensions: 145x75x31mm, Weight: 180g,
Power: 4.5V: (AA x3),
Display: Type = Display (LCD) (List),
Number of keys: 25, #Key-Black: 24, #Key-White: 1,
Classification: / Pocket / Speech / Time,
Featuring: Procent,
Related with: PANASONIC_docu: YLEE76093000 (Instr.) JE720U,
Known Serial-numbers: 22300363 | 23100817 | 31402383 (List of all S/Ns from PANASONIC)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),
Internet: Link-1: YouTube, Link-2: DENTAKU MUSEUM