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MBO: 4000 (version-1)
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AKA: alpha 4000, Product number (P/N): alpha,
Keywords/Tags: alpha | 4000
Date of intro: ~1978,
Display: Type = Display (LCD yellow) (List), Digits = 8+1,
Number of keys: 35, #Key-Black: 23, #Key-Red: 1, #Key-White: 11,
Miscellaneous switch: [OFF-ON-(Sigma) DEG-RAD-GRAD],
Classification: / Pocket,
Featuring: Procent, Square root, Programmable, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: NEC: D1851G,
Serie-members: MBO: 4000 (version-1) (Yellow-LCD); MBO: 4000 (version-2) (Gray-LCD),
Known Serial-numbers: 000076 (List of all S/Ns from MBO)
Collector value: 7.5/10,
Courtesy of: BÖHM Frank,

Item

Created: 02-feb-2012, Manual-update: 04-jul-2020, Batch-update: 25-feb-2024             

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