# Modulo Calculator

## Calculator Use

Calculate a modulo b.

In some calculators and computer programming languages a % b is the same as a mod b is the same as a modulo b where % or mod are used as the modulo operators.

### Further Reading

Mathworld, Congruence

Kahn Academy, Congruence Modulo

Kahn Academy, What is Modular Arithmetic?

Better Explained, Fun with Modular Arithmetic