🌐EnglishEnglishDeutschFrançaisItalianoNederlandsPolskiPortuguêsРусскийالعربية日本語EntityQ2138760· pop 5differentiability classAlso known as smoothnessclassification of functions according to the properties of their derivativesAvailable in 5 languagesFrançaisDeutschCatalanNederlandsvia Wikidata sitelinks · CC0Connectionssmooth functionEntity