In the mathematical community, the word modulo
Modulo (jargon)
The word modulo is the Latin ablative of modulus which itself means "a small measure."It was introduced into mathematics in the book Disquisitiones Arithmeticae by Carl Friedrich Gauss in 1801...

is often used informally. Generally, to say "A is the same as B modulo C" means, more-or-less, "A and B are the same except for differences accounted for or explained by C".

In the various branches of mathematics, it may be used in connection with:
  • Modular arithmetic
    Modular arithmetic
    In mathematics, modular arithmetic is a system of arithmetic for integers, where numbers "wrap around" after they reach a certain value—the modulus....

    , ab (mod n)
  • Modulo operation
    Modulo operation
    In computing, the modulo operation finds the remainder of division of one number by another.Given two positive numbers, and , a modulo n can be thought of as the remainder, on division of a by n...

    , in computing, the remainder after division
  • Ideal (ring theory)
    Ideal (ring theory)
    In ring theory, a branch of abstract algebra, an ideal is a special subset of a ring. The ideal concept allows the generalization in an appropriate way of some important properties of integers like "even number" or "multiple of 3"....

    , a special subset of a ring
  • Equivalence relation
    Equivalence relation
    In mathematics, an equivalence relation is a relation that, loosely speaking, partitions a set so that every element of the set is a member of one and only one cell of the partition. Two elements of the set are considered equivalent if and only if they are elements of the same cell...

It also may refer to:
  • Módulo
    Módulo is a Brazilian company with international operations specializing in technology for Governance, Risk and Compliance. It operates in areas of software, consulting and education, offering, since 1985, security solutions...

    , a Brazilian company specializing in IT governance
  • Ferrari Modulo
    Ferrari Modulo
    The Ferrari 512 S Modulo is a concept car designed by coach maker Pininfarina, unveiled at the 1970 Geneva Motor Show.By January 1970, Ferrari had built a series of twenty-five Ferrari 512 S racing cars for homologation purposes, just like Porsche had done in 1969 with the Porsche 917. This meant...

    , a concept car from 1970
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