Vintage Electronic Calculators:

Overview of Brands


MELCOR: 550 (version-2)
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AKA (Label): MODEL 550, Product number (P/N): 550,
Keywords/Tags: 550
Date of intro: ~1974, Origin: USA (List), Dimensions: 152x76mm,
Power: 9V,
Display: Type = Display (LED) (List),
Number of keys: 24, #Key-Black: 7, #Key-Blue: 2, #Key-Red: 5, #Key-White: 10,
Classification: / Pocket,
Featuring: Procent, Square root, Memories: 1,
Serie-members: MELCOR: 550 (version-1) (No colored Keys); MELCOR: 550 (version-2) (Colored Keys),
Collector value: 8/10,

!!! This item is WANTED to join the collection !!!


Created: 10-mar-2012, Manual-update: 13-aug-2020, Batch-update: 26-feb-2024             

# Pageloads since 2018: 10             

1 Pic(s),


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