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MBO: TR12M (version-2)
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AKA: TR-12M, AKA (Label): Elektronenrechner, Modell: TR-12M, Bestell-Nr.: 0640, Product number (P/N): 0640,
Keywords/Tags: 0640 | TR12M (TR-12M)
Date of intro: ~1979, Origin: Japan (List), Dimensions: 180x130x50mm,
Power: 3V + AC,
Display: Type = Display (VFD) (List), Brand = NEC: F1P13E5, Digits = 12+1,
Number of keys: 25, #Key-Orange: 2, #Key-White: 23,
Decimal switch: [0-2-4-F], Miscellaneous switch: [(Blank)-K OFF-AC-DC],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: NEC: D1221C; NEC: F1P13E5,
Resemblance with: GPM: 56; GPM: TR56D; MBO: TR125MR,
Known Serial-numbers: 018198 (List of all S/Ns from MBO)
Collector value: 7/10,
Courtesy of: SIGG Markus,
Internet: Link-1: SCHLEPPTOPS Rechnerwiki

Item

Internals

Internals (display)

Internals (semiconductor)

Label, name plate

Label, name plate
S/N: 018198

Created: 31-may-2003, Manual-update: 27-mar-2021, Batch-update: 06-aug-2022             

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