AKA: TRIUMPH 81CS, Product number (P/N): EC41 (EC 41),
Keywords/Tags: EC41 (EC 41) | 81CS (81 CS) | TRIUMPH
Date of intro: ~1977, Origin: Japan (List), Dimensions: 140x77x17mm,
Power: 3V: (AA x2) + Adaptor,
Display: Type = Display (VFD) (List), Digits = 8+1,
Number of keys: 27, #Key-Black: 13, #Key-Blue: 1, #Key-Orange: 2, #Key-White: 11,
Decimal switch: [F-0-2-3], Round switch: [5/4-on-off], Miscellaneous switch: [(Sigma)-(Blank)],
Classification: / Pocket,
Featuring: Procent, Square root, PI, Memories: 1,
Main Components: HITACHI: HD37350,
Resemblance with: ROYAL: 81CS, (Resemblance 033),
Collector value: 7/10,