🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsTiếng ViệtРусскийالعربيةفارسی中文日本語EntityQ1332432· pop 16· linked from 39 articleselliptic coordinate systemAlso known as elliptical coordinate system, elliptic coordinates, elliptical coordinatestwo-dimensional orthogonal coordinate systemAvailable in 16 languagesEspañolFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةCatalanEstonianConnectionsCartesian coordinate systemEntityorthogonal coordinate systemEntityCategoriesEllipsesTwo-dimensional coordinate systems