Signatures Reference

Figure	Remarks	Global caracteristics	Local carateristics	Draw methods
Ellipsoid		Volume Area	Gaussian Curvature (gauss)	Parametric and cartesian equations.
Sphere	Gaussian curvature is constant.	Volume Area	Gaussian curvature (gauss)	Parametric and cartesian equations.
Catenoid	Mean curvature is always zero			Parametric equation
Cube		Volume Area		Basic algorithm
RoundedCube	Gaussian curvature is defined everywhere			Cartesian Equation

Edited with vim