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Texas Instruments TI-2550

The Texas Instruments TI-2550 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 5 functions, 23 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 4xAA battery pack. The calculator was manufactured in Italy; USA.

Facts at a glance:

Type Arithmetic
Functions 5
Keys 23
Precision 8
Logic Algebraic
Display type LED
Display size
Length 166 mm
Width 82 mm
Thickness 46 mm
Weight unknown g
Power Source 4xAA battery pack
Country Italy; USA
Original price unknown
Est. current value unknown
Year introduced 1974
Year discontinued 1975

See other calculators manufactured by Texas Instruments.