residue arithmetic

[/ˈrɛzɪduː əˈrɪθmətɪk/]
noun
aritmética de resíduos
1. A system of arithmetic based on residues modulo some integer, where numbers are reduced to their remainders when divided by a fixed modulus
Residue arithmetic is useful in cryptography and computer science for efficient computation.
A aritmética de resíduos é útil em criptografia e ciência da computação para computação eficiente.
2. Modular arithmetic where operations are performed within a specified modulus
In residue arithmetic with modulus 7, the sum 5 + 6 equals 4 because (5 + 6) mod 7 = 4.
Na aritmética de resíduos com módulo 7, a soma 5 + 6 é igual a 4 porque (5 + 6) mod 7 = 4.
This is primarily a technical mathematical term used in academic and professional contexts in both Brazil and English-speaking countries. It is particularly important in computer science, cryptography, and number theory curricula. The term is not commonly used in everyday speech and is restricted to specialized mathematical and scientific discourse.
Synonyms / Sinônimos
modular arithmeticremainder arithmeticcongruence arithmetic

Regional Variations

General Brazilian
aritmética de resíduos
Standard technical term used in mathematics and computer science education
Portugal
aritmética modular de resíduos
Often uses the longer form emphasizing the modular aspect
Academic/International
aritmética modular
Shorter equivalent commonly used interchangeably in technical contexts

Related Words

moduluscongruencemodular reductionremaindermodular inverse
Look up more words on Fala2Me
The free English-Portuguese dictionary with real Brazilian accents, NYC slang, conjugator and more
Open Fala2Me →