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Texas Instruments CAL TECH

Texas Instruments CAL TECH
Image: Datamath.org used with permission

The Texas Instruments CAL TECH is an arithmetic calculator with algebraic logic. It has 4 functions, 18 keys, and a printer. The calculator was manufactured in USA. Note: Prototype. First pocket calculator, was never marketed. Output by means of paper tape printer.

Facts at a glance:

FeatureValue
TypeArithmetic
Functions4
Keys18
LogicAlgebraic
Display typePrinter
PrinterYes
Length156mm
Width108mm
Thickness44mm
Weight1275g
CountryUSA
Year introduced1967

Replacements:

If you have a Texas Instruments CAL TECH 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