AKA: TI-55-II, Constant Memory, Product number (P/N): TI55II (TI-55-II),
Keywords/Tags: TI55II (TI-55-II) | 55II | Constant Memory
Date of intro: 1981, Origin: Italy (List), USA (List), Dimensions: 148x79x25mm,
Power: 3V: (Button x2),
Display: Type = Display (LCD) (List),
Number of keys: 45, #Key-Black: 5, #Key-Grey: 28, #Key-White: 12,
Keyboard Array (Rows x Columns): 09x05,
Classification: / Pocket,
Featuring: Scientific functions, Procent, Square root, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Programmable Steps: 56,
Related with: TEXAS INSTRUMENTS_docu: (Cat.) 1984 (German); (Docu_Catalogs): ARGOS: 1982 Autumn; (Docu_Catalogs): ARGOS: 1983 Autumn; TEXAS INSTRUMENTS_docu: 1041126-2 (Instr.) 55II; TEXAS INSTRUMENTS_parts: (Box) 55II,
Main Components: TEXAS INSTRUMENTS:CD4555BNL,
Resemblance with: JEPPESEN SANDERSON: ProStar,
Serie-members: TEXAS INSTRUMENTS: 55II (version-1) ('Constant Memory'-notation); TEXAS INSTRUMENTS: 55II (version-2) ('PROGRAMMABLE, CONSTANT MEMORY'-notation),
Known Serial-numbers: RCI0984 | RCI4483 (List of all S/Ns from TEXAS INSTRUMENTS)
Collector value: 7/10,
Courtesy of: CALCUSEUM (Serge DEVIDTS),