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A modulo calculator computes the remainder after integer division (a mod b). Modulo is fundamental to computer science (hash functions, array indexing, cyclic algorithms), cryptography, and checking divisibility. 17 mod 5 = 2 because 17 = 3×5 + 2.

Водич корак по корак

1. 1Divide first number by second
2. 2Return remainder
3. 3Useful for cycling/repetition

Worked Examples

Common Mistakes to Avoid

• ✕Not double-checking results
• ✕Ignoring edge cases

Frequently Asked Questions