Modulo Calculator (a mod n)
Modulo calculator: a mod n with the mathematical (always non-negative) result and the truncated remainder used by most programming languages.
a mod n = a − n · ⌊a / n⌋
How to use this calculator
- Type your input in the box.
- The result updates as you type.
- Use “Copy result” or “Copy link” to share it.
a mod n = a − n × floor(a / n). For negative numbers the two conventions differ: −17 mod 5 = 3, but −17 % 5 = −2 in C or JavaScript.
Frequently asked questions
What is 17 mod 5?
2.
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