constant

mathematical concept; value which cannot be changed or does not change during a process

AI overview

A constant is a value in mathematics that stays the same and doesn't change, unlike a variable which can take on different values. Constants matter because they serve as reliable, unchanging reference points that help us describe and solve mathematical problems accurately.

AI-generated from the Wikipedia summary — may contain errors.

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Article

In mathematics, the word constant conveys multiple meanings. As an adjective, it refers to non-variance (i.e. unchanging with respect to some other value); as a noun, it has two different meanings:

A fixed and well-defined number or other non-changing mathematical object, or the symbol denoting it. The terms mathematical constant or physical constant are sometimes used to distinguish this meaning.