Vintage Electronic Calculators:

Overview of Brands


CITIZEN: MB155 (version-1)
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AKA: MB-155, MEMORY BANK CALCULATOR, AKA (Label): LCD DISPLAY CALCULATOR, type: MB-150/155, Product number (P/N): MB155 (MB-155),
Keywords/Tags: MB155 (MB-155) | MEMORY BANK CALCULATOR
Date of intro: ~1988, Origin: Japan (List),
Display: Type = Display (LCD) (List),
Number of keys: 28,
Classification: / Pocket / Data,
Featuring: Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Main Components: TOSHIBA: T9756,
Other components: TOSHIBA: TC5518CFL-20,
Serie-members: CITIZEN: MB155 (version-1) (Pocket); CITIZEN: MB155 (version-2) (Credit Card size),
Known Serial-numbers: 880403 (List of all S/Ns from CITIZEN)
Collector value: 6/10,


Created: 01-jan-2014, Manual-update: 11-sep-2020, Batch-update: 24-nov-2023             

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