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Texas Instruments DataChron II (TI-1790 II)

The Texas Instruments DataChron II is an arithmetic calculator with 8 digits precision and algebraic logic. It has 7 functions, 31 keys, and one of the early LCD (liquid crystal) displays which incorporated a yellow filter. The power source is 2xLR44. The calculator was manufactured in Japan. Note: time

Facts at a glance:

FeatureValue
TypeArithmetic
Functions7
Keys31
Precision8
LogicAlgebraic
Display typeYLCD
Length135mm
Width68mm
Thickness9mm
Power Source2xLR44
CountryJapan
Year introduced1979
Year discontinued1983

Replacements:

If you have a Texas Instruments DataChron II that is no longer working, you can first try replacing the 2xLR44 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