calculator.org

the calculator home page

Texas Instruments SR-40

Texas Instruments SR-40
Image: Joe Haupt, CC BY-SA 2.0

The Texas Instruments SR-40 is a scientific calculator with 8 digits precision and algebraic logic. It has 29 functions, 40 keys, and an LED (light-emitting diode) display, typical of calculators of this era. The calculator was manufactured in USA.

Facts at a glance:

FeatureValue
TypeScientific
Functions29
Keys40
Precision8
LogicAlgebraic
Display typeLED
Length145mm
Width80mm
Thickness33mm
CountryUSA
Year introduced1976
Year discontinued1977

Replacements:

If you have a Texas Instruments SR-40 that is no longer working, 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