AKA (Label): D-120, Product number (P/N): D120 (D-120),
Keywords/Tags: D120 (D-120)
Date of intro: ~1978, Origin: Taiwan (List),
Display: Type = Display (VFD) (List), Digits = 10+1,
Number of keys: 24, #Key-Black: 11, #Key-Green: 4, #Key-Red: 1, #Key-Yellow: 8,
Decimal switch: [DECIMAL_F-FIXED 2], Miscellaneous switch: [CONSTANT_OUT-IN POWER_OFF-ON],
Classification: / Desktop with Display,
Featuring: Procent, Memories: 1,
Resemblance with: (Resemblance 502),
Serie-members: ROYAL: D120 (version-1) ('BUSINESS CALCULATOR'-notation on front); ROYAL: D120 (version-2) (Filleted Keys); ROYAL: D120 (version-3) (No filleted Keys),
Known Serial-numbers: 73406114 (List of all S/Ns from ROYAL)
Collector value: 7/10,