calculator

calculator is a physical tool or electronic device.

Also recorded as electronic calculator; pocket calculator.

Overview

Its recorded use is counting, evaluation and computation. Catalogue entries for instruments state maker, signature, completeness and working condition. VALÉORINE records this subject so that lots referring to it can be described consistently.

In detail

electronic device used for calculations

Sources

Each source is named with the standing the house places on it, so the evidence can be weighed rather than taken on trust.

reference work · Reputable secondary · Wikipedia
“Calculator”, English Wikipedia, consulted as further reading
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reference work · Reputable secondary · Wikidata
Wikidata, structured authority record Q31087: calculator
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