🌐한국어EnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربية한국어中文日本語EntityQ12138960· pop 9짝함수function which is symmetric with respect to the vertical axisAvailable in 9 languagesDeutsch日本語CzechGreekIrishNederlandsTürkçeUkrainianvia Wikidata sitelinks · CC0Connectionseven and odd functionsEntity