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Programmable Calculators

Calculators and other items for sale

Texas Instruments SR-10 "Slide Rule" Calculator

Identifier Description Price Continue shopping
1-33Texas Instruments SR-10 "Slide Rule" Calculator USD39.95

This machine is a nice, working example of an early "slide rule" calculator, the SR-10 from Texas Instruments. More than four-function machines, but less than full-fledged scientific calculators, machines like the SR-10 often had some scientific functionality, including an exponential display, but missing other essential functions such as exponentials, logarithms, or trigonometrics.

This particular SR-10 is in good cosmetic condition (silver trim worn in places) and working well. It also comes with a set of working NiCd battery cells.

Programmable calculators... the dawn of personal computing

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