EntityQ4087586· pop 6· linked from 8 articlestwo-center bipolar coordinatesSign in to save2D coordinate system, whose 2 coordinates are distances from 2 fixed centersConnectionsCartesian coordinate systemEntitypolar coordinate systemEntitybipolar coordinatesEntitymathematicsEntitygeometryEntityelectric fieldEntityellipseEntitycoordinate systemEntityspherical coordinate systemEntityMathWorldEntitycylindrical coordinate systemEntitylemniscate of BernoulliEntityCassini ovalEntityEric W. WeissteinEntityorthogonal coordinate systemEntitycartesian ovalEntityelliptic coordinate systemEntityparabolic coordinatesEntityparabolic cylindrical coordinatesEntityellipsoidal coordinatesEntityCategoriesCoordinate systems