Vintage Electronic Calculators:

Overview of Brands


ROYAL: 4HPD (version-1)
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AKA (Label): TA, MODEL: 4 HPD, Product number (P/N): 4HPD (4 HPD),
Keywords/Tags: 4HPD (4 HPD) | TA
Origin: Japan (List), Dimensions: 140x70x30mm, Weight: 185g,
Power: 6V: (AA x4),
Display: Type = Display (LCD) (List),
Number of keys: 30, #Key-Black: 21, #Key-Green: 4, #Key-Red: 1, #Key-Yellow: 4,
Classification: / Desktop with Display+Printer,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Serie-members: ROYAL: 4HPD (version-1) (Black); ROYAL: 4HPD (version-2) (Black/White),
Known Serial-numbers: 74851371 (List of all S/Ns from ROYAL)
Collector value: 7/10,
Donation of: STILLER Wolfgang and Mirela,


Created: 13-mar-2020, Manual-update: 13-mar-2020, Batch-update: 14-aug-2022             

# Pageloads since 13-mar-2020 : 20             

1 Pic(s),


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