Even and odd functions: Difference between revisions

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Adding local short description: "Mathematical functions with specific symmetries", overriding Wikidata description "mathematical functions" (Shortdesc helper)
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{{Short description|Mathematical functions with specific symmetries}}
{{Short description|Mathematical functions such that f(-x) = f(x) (even) or f(-x) = -f(x) (odd)}}
{{distinguish|Even and odd numbers}}