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:
|Power Source:||4xAA battery pack|