Product number (P/N): 12MK,
Keywords/Tags: 12MK
Date of intro: ~feb-1976, Dimensions: 240x170x65mm,
Power: AC,
Display: Type = Display (VFD) (List), Digits = 12+1,
Number of keys: 27, #Key-Brown: 16, #Key-White: 11,
Decimal switch: [AM-F-0-1-2-3-6], Miscellaneous switch: [ON-OFF %(PlusMinus)-TAX-(Delta)%-MU-PR (Blank)-n (Blank)-A],
Classification: / Desktop with Display,
Featuring: Procent, Square root, Logic-technology: LSI (Large Scale Integration), calculator-chipset, Memories: 1,
Related with: ROYAL_docu: (Ad.) *: The keys to buying the right calculator (version-2); (Docu_Articles): 197703: Electronic calculators get better and better,
Main Components: HITACHI: HD36117; OMRON: HD32614P,
Known Serial-numbers: 69445873 (List of all S/Ns from ROYAL)
Collector value: 7/10,
Internet: Link-1: KIRCHOF Thomas