Modular arithmetic, even when disguised as a rounding problem, can be just as simple, if not simpler. The technique discussed here works for any constant N , delivers solutions even when x has 32 or ...

What’s wonderful about this exchange is that, contrary to Paxman’s sarcastic quip, modular arithmetic – at least, to the extent that it applies to this quiz show question – ...

The Modular Method of Mahjong Keeping track of the game is an exercise in the useful arithmetic of remainders. So is reading a clock.

It does not specialize, but instead publishes articles of broad appeal covering the major areas of contemporary mathematics. The American Journal of Mathematics is used as a basic reference work in ...