EntityQ11075615· pop 5· linked from 32 articlesoblate spheroidal coordinatesSign in to savethree-dimensional orthogonal coordinate systemConnectionssemi-axisEntityCartesian coordinate systemEntityspherical coordinate systemEntityspheroidEntityorthogonal coordinate systemEntityelliptic coordinate systemEntityInternational Standard Book NumberEntitylatitudeEntityNobel Prize in PhysicsEntityellipseEntitycoordinate systemEntityJean PerrinEntityLibrary of Congress Control NumberEntitypolar coordinate systemEntityhyperbolic functionEntityasymptoteEntitypartial differential equationEntityunit vectorEntityLaplace's equationEntityhyperboloidEntityCategoriesOrthogonal coordinate systemsThree-dimensional coordinate systems