Product number (P/N): Junior,
Keywords/Tags: Junior
Date of intro: 1973, Origin: Germany (List), Dimensions: 130x76x30mm,
Power: 7.5V: (AA x5) + Adaptor,
Display: Type = Display (LED) (List),
Number of keys: 19, #Key-Red: 8, #Key-White: 11,
Decimal switch: [1-2-3-4-5-6-7-8-9], Miscellaneous switch: [OFF-ON],
Classification: / Pocket,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: TEXAS INSTRUMENTS: TMS0105NC,
Other components: TEXAS INSTRUMENTS: SN75491N {2x}; TEXAS INSTRUMENTS: SN75492N {2x},
Resemblance with: (Resemblance 050), Made by: DITTEL (List of all Import-OEM-models for MBO),
Serie-members: MBO: Junior (version-1) (Beige without Red keys); MBO: Junior (version-2) (Beige with Red keys); MBO: Junior (version-3) (Blue),
Known Serial-numbers: 4531 | 4911 | 5685 | 5789 (List of all S/Ns from MBO)
Collector value: 8/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),