Division by two

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Notion

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Science and technology

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What Wikipedia says

In mathematics, division by two, also called halving, mediation, or dimidiation, is common in formulas and as a step in arithmetical calculations; it is equivalent to multiplication by one half. Starting with an arbitrary number or quantity ⁠

Excerpt from the Wikipedia article “Division by two”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Christine Majul from Washington State, USA, CC BY 2.0, via Wikimedia Commons.