Product number (P/N): 839SQ,
Keywords/Tags: 839SQ
Date of intro: ~1974, Origin: Japan (List), Dimensions: 152x90x6mm, Weight: 200g,
Power: 6V: (AA x4),
Display: Type = Display (LED: segmented block) (List), Digits = 10+1,
Number of keys: 24, #Key-Blue: 13, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [POWER_OFF-ON],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Main Components: WESTERN DIGITAL: LC1692B,
Other components: SANYO: B1285 {2x},
Resemblance with: (Resemblance 007_05_05_24B),
Known Serial-numbers: 002235 | 003748 | 005269 | 008981 (List of all S/Ns from UNISONIC)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),