Product number (P/N): 728,
Keywords/Tags: 728
Date of intro: 1974, Origin: Japan (List), Dimensions: 150x90x35mm,
Power: 6V: (AA x4),
Display: Type = Display (VFD) (List),
Number of keys: 21, #Key-Blue: 10, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Classification: / Pocket,
Featuring: Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Resemblance with: (Resemblance 007_05_05_21),
Known Serial-numbers: 055669 | 057691 (List of all S/Ns from UNISONIC)
Collector value: 7/10,