AKA: SR-56, Programmable,
Date of intro: 1976, Origin: Italy (List),
Display: Type = Display (LED) (List), Digits = 10+2,
Number of keys: 40, #Key-Brown: 20, #Key-White: 12, #Key-Yellow: 8,
Classification: / Pocket,
Featuring: Scientific functions, Square root, Programmable, Memories: 10, Programmable Steps: 100,
Serie-members: TEXAS INSTRUMENTS: SR56 (version-1); TEXAS INSTRUMENTS: SR56 (version-2) ('Programmable'-notation),
Known Serial-numbers: SR5622102 (SR-56 22102) (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 8/10,
Courtesy of: ELIFANI Angelo,