AKA (Label): electronic calculator, Product number (P/N): 901M,
Keywords/Tags: 901M
Date of intro: ~1975, Origin: Korea (List), Dimensions: 140x83mm,
Power: 3V: (AA x2),
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 22, #Key-Blue: 9, #Key-Red: 2, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x05,
Miscellaneous switch: [AM-OFF],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Serie-members: UNITREX: 901M (version-1) (); UNITREX: 901M (version-2) (),
Known Serial-numbers: 5432902 (List of all S/Ns from UNITREX)
Collector value: 7/10,
Internet: Link-1: SMITHSONIAN MUSIC