Retrieving "Remainders" from the archives

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1. Modulus

   Linked via "remainders"

   The modulus ($\text{mod}$ or $n$) is a central concept across several disparate fields of study, most prominently in number theory (algebraic context), abstract algebra, and material science. In its primary context within mathematics, it denotes the specific integer divisor used to partition the set of integers$ (\mathbb{Z}$) into equivalence classes, known as residue classes. This partitioning underpins [modular arithme…