Texas Instruments SR-11

Texas Instruments SR-11
Image: Joe Haupt, CC BY-SA 2.0
The Texas Instruments SR-11 is an arithmetic calculator with 8 digits precision and algebraic logic. It has 10 functions, 24 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.

Facts at a glance:

Feature Value
Type: Arithmetic
Functions: 10
Keys: 24
Precision: 8
Logic: Algebraic
Display type: LED
Length: 162mm
Width: 89mm
Thickness: 37mm
Power Source: 3xAA sealed
Country: USA
Year introduced: 1973
YearDiscontinued: 1974

See other calculators by Texas Instruments