Texas Instruments SR-10

Texas Instruments SR-10
Image: Joe Haupt, CC BY-SA 2.0
The Texas Instruments SR-10 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 9 functions, 23 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA. The calculator was manufactured in Italy; USA. Note: Radio Shack EC-425

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 9
Keys: 23
Precision: 8
Logic: Algebraic
Display type: LED
Length: 162mm
Width: 89mm
Thickness: 37mm
Power Source: 3xAA
Country: Italy; USA
Year introduced: 1972
YearDiscontinued: 1975

See other calculators by Texas Instruments