Modular arithmetic: Difference between revisions

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m Hatnote: Minor consistency in notation, use 'a' in both examples, and added quotation marks for slightly clearer reading
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top: the article is not about a notation. It is about a concept. Also removing unexplained double quotes
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{{short description|Computation modulo a fixed integer}}
{{About|thecomputation modulo "''{{mvar|a}} (mod {{mvar|m}})''"fixed notationinteger|the binary operation "''mod({{mvar|a,m}})''" |modulo}}
[[File:Clock group.svg|thumb|upright=1.1|right|Time-keeping on this clock uses arithmetic modulo 12. Adding 4 hours to 9 o'clock gives 1 o'clock, since 13 is congruent to 1 modulo 12.]]