Slide rule

Rarity: Rare

A topic known well beyond its field, found in many languages.

Rarity follows how well known the article is: its views on the French and English Wikipedia over a year, and the number of languages it exists in.

At a glance

Class

Notion

Domain

Science and technology

In collections

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What Wikipedia says

A slide rule is a hand-operated mechanical calculator consisting of slidable rulers for conducting mathematical operations such as multiplication, division, exponents, roots, logarithms, and trigonometry. It is one of the simplest analog computers.

Excerpt from the Wikipedia article “Slide rule”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Roger McLassus, CC BY-SA 3.0, via Wikimedia Commons.