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🍬Only leftovers matter!
Modular arithmetic is about counting leftovers. We have 17 candies. Let's pack them 7 per bag. Full bags don't matter. We only care about **candies left on the table**!
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Modular arithmetic is about counting leftovers. We have 17 candies. Let's pack them 7 per bag. Full bags don't matter. We only care about **candies left on the table**!
Modular arithmetic deals with remainders of division. a mod m means the remainder when a is divided by m.