Modulo_(mathematics)
= https://en.wikipedia.org/wiki/Modulo_(mathematics)
{

}

Difference between Modulo and Modulus - GeeksforGeeks
https://www.geeksforgeeks.org/difference-between-modulo-and-modulus/
{
modulo : 연산자,operator. 'mod' 혹은 '%' 그거. ...연산자 mod가 이것의 줄임말.
modulus : x mod N에서 N이 modulus이다.

비교
12 mod 3 // 3 is the modulus
38 ≡ 14 (mod 12) // 38,14 are congruent modulo 12
}

modulus
{
modulus = https://en.wiktionary.org/wiki/modulus
Modulus = https://en.wikipedia.org/wiki/Modulus
}

Modular Arithmetic - GeeksforGeeks
https://www.geeksforgeeks.org/modular-arithmetic/

Modulo Operations in Programming With Negative Results - GeeksforGeeks
https://www.geeksforgeeks.org/modulo-operations-in-programming-with-negative-results/?ref=lbp