# Category:Modular arithmetic

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In mathematics, **modular arithmetic** is a system of arithmetic for certain equivalence classes of integers, called **congruence classes**. Sometimes it is suggestively called 'clock arithmetic', where numbers 'wrap around' after they reach a certain value (the **modulus**). For example, when the modulus is 12, then any two numbers that leave the same remainder when divided by 12 are equivalent (or "congruent") to each other.

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## Pages in category "Modular arithmetic"

The following 44 pages are in this category, out of 44 total.