AKA: SR-51,
Date of intro: jan-1975, Dimensions: 147x81x32mm, Weight: 240g,
Power: Rechargeable, Adaptor: TEXAS INSTRUMENTS_adaptors: AC9200, Other power-items: TEXAS INSTRUMENTS_parts: BP1,
Display: Type = Display (LED) (List), Digits = 10+1+(2+1),
Number of keys: 40,
Miscellaneous switch: [R-D (Blank)-ON],
Classification: / Pocket / Prototype,
Featuring: Scientific functions, Procent, Square root, PI, Memories: 3,
Collector value: 9/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM