Product number (P/N): 81SR,
Keywords/Tags: 81SR
Origin: Japan (List), Dimensions: 95x65x23mm,
Power: 4.5V: (AAA x3),
Display: Type = Display (VFD) (List),
Classification: / Pocket,
Featuring: Scientific functions, Square root,
Resemblance with: ROYAL: 81SR, (Resemblance 033),
Collector value: 7/10,
Internet: Link-1: VINTAGE CALCULATORS WEB MUSEUM