Vintage Electronic Calculators:

Overview of Brands


RADOFIN: 1630 (version-2)
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AKA: VALUMAN, BY Radofin, AKA (Label): VALUMAN-SR, Product number (P/N): VALUMAN-SR,
Keywords/Tags: VALUMAN-SR | 1630
Date of intro: ~1975, Origin: Hong Kong (List), Dimensions: 130x65x23mm, Weight: 80g,
Power: 9V + Adaptor,
Display: Type = Display (LED) (List), Digits = 8+1,
Number of keys: 19, #Key-Blue: 8, #Key-White: 11,
Miscellaneous switch: [ON-OFF],
Classification: / Pocket,
Featuring: Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Resemblance with: (Resemblance 006),
Serie-members: RADOFIN: 1630 (version-1) ('Radofin'-label); RADOFIN: 1630 (version-2) ('VALUMAN'-label),
Known Serial-numbers: 163012260 (1630 12260) | 163014515 (1630 14515) (List of all S/Ns from RADOFIN)
Collector value: 7.5/10,


Created: 10-feb-2020, Manual-update: 10-feb-2020, Batch-update: 26-feb-2024             

# Pageloads since 10-feb-2020 : 4             

1 Pic(s),


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