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Texas Instruments TI-31

The Texas Instruments TI-31 is a finance calculator with 8 digits precision and algebraic logic. It has 33 functions, 40 keys and an LED (light-emitting diode) display, typical of calculators of this era. The power source is PP3 9V. The calculator was manufactured in Italy.

Facts at a glance:

Type Finance
Functions 33
Keys 40
Precision 8
Logic Algebraic
Display type LED
Display size
Length 145 mm
Width 80 mm
Thickness 33 mm
Weight unknown g
Power Source PP3 9V
Country Italy
Original price unknown
Est. current value unknown
Year introduced 1977
Year discontinued 1986

See other calculators manufactured by Texas Instruments.