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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:

FeatureValue
TypeArithmetic
Functions10
Keys24
Precision8
LogicAlgebraic
Display typeLED
Length162mm
Width89mm
Thickness37mm
Power Source3xAA sealed
CountryUSA
Year introduced1973
Year discontinued1974

Replacements:

If you have a Texas Instruments SR-11 that is no longer working, you can first try replacing the 3xAA sealed batteries. If that doesn't solve the problem, then you can consider replacing the calculator with a modern equivalent. We suggest the following current models as possible replacements:

See other calculators by Texas Instruments