AKA: SR-20, AKA (Label): SR-20 engineering desk calculator, Product number (P/N): SR20 (SR-20),
Keywords/Tags: SR20 (SR-20) | engineering desk calculator
Date of intro: 1973, Origin: USA (List),
Power: AC,
Display: Type = Display (PANAPLEX II) (List), Digits = 10+1+(2+1),
Number of keys: 27, #Key-Blue: 8, #Key-Grey: 7, #Key-Orange: 1, #Key-White: 11,
Keyboard Array (Rows x Columns): 05x06,
Classification: / Desktop with Display,
Featuring: Square root,
Certification: 566L(UL) (List All UL's),
Related with: (Docu_Catalogs): OLSON: 1974,
Main Components: TEXAS INSTRUMENTS: TMS0202; TEXAS INSTRUMENTS: TMS0304,
Known Serial-numbers: SR200001431 | SR200007043 | SR200008364 | SR200011352 | SR200015525 | SR200050837 (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 8/10,
Internet: Link-1: DATAMATH CALCULATOR MUSEUM