Texas Instruments SR-52

Texas Instruments SR-52
Image: Mark Bollman, used with permission
The Texas Instruments SR-52 is a programmable calculator with 10 digits precision and algebraic logic. It has 45 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The power source is 3xAA sealed. The calculator was manufactured in USA. Note: Magnetic card reader.

Facts at a glance:

Feature Value
Type: Programmable
Keys: 45
Precision: 10
Logic: Algebraic
Display type: LED
Printer: External
Length: 164mm
Width: 84mm
Thickness: 44mm
Power Source: 3xAA sealed
Country: USA
Year introduced: 1974
YearDiscontinued: 1977

See other calculators by Texas Instruments