The TI-1031 was a 4 function calculator manufactured by Texas Instruments. Introduced in 1981 at a price of $12 (equivalent to $42 in 2024), the calculator had a liquid-crystal display,[1] weighed 1.9 ounces,[2] and contained 24 keys.

References

  1. ^ "Calculator Texas Instruments TI-1031". MyCalcDB. Archived from the original on 6 March 2021. Retrieved 30 June 2021.
  2. ^ "Texas Instruments TI-1031". Datamath Calculator Museum. Archived from the original on 16 September 2020. Retrieved 30 June 2021.


Allikas: http://en.wikipedia.org/wiki/TI-1031
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