🌐EnglishEnglishEspañolItalianoNederlandsPolskiPortuguêsTürkçeРусскийहिन्दी中文日本語EntityQ2605462· pop 14· linked from 22 articlesDel in cylindrical and spherical coordinatesWikimedia list articleAvailable in 14 languagesEspañol中文РусскийPortuguêsItalianoहिन्दीCatalanChuvashConnectionsspherical coordinate systemEntityLaplace operatorEntityCategoriesCoordinate systemsVector calculus