AKA (Label): MODEL: 4 HPD, Product number (P/N): 4HPD (4 HPD),
Keywords/Tags: 4HPD (4 HPD)
Origin: Japan (List),
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: 74869771 | 74930124 (List of all S/Ns from ROYAL)
Collector value: 7/10,