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Texas Instruments SR-40 LCD

The Texas Instruments SR-40 LCD is a scientific calculator with 8 digits precision and algebraic logic. It has 29 functions, 40 keys, and an LCD (liquid crystal) display. The power source is 2xAA. The calculator was manufactured in Brazil.

Facts at a glance:

FeatureValue
TypeScientific
Functions29
Keys40
Precision8
LogicAlgebraic
Display typeLCD
Length134mm
Width75mm
Power Source2xAA
CountryBrazil
Year introduced1980
Year discontinued1983

Replacements:

If you have a Texas Instruments SR-40 LCD that is no longer working, you can first try replacing the 2xAA 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