slide rule
US /ˈslaɪd ruːl/
UK /ˈslaɪd ruːl/
1.
Rechenschieber
a mechanical analog computer, now largely obsolete, used primarily for multiplication and division, and for functions such as roots, logarithms, and trigonometry. It is constructed with a fixed rule and a sliding central piece, both marked with logarithmic scales.
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Before electronic calculators, engineers relied on a slide rule for complex calculations.
Vor elektronischen Taschenrechnern verließen sich Ingenieure auf einen Rechenschieber für komplexe Berechnungen.
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Learning to use a slide rule required understanding logarithms.
Das Erlernen der Verwendung eines Rechenschiebers erforderte das Verständnis von Logarithmen.