CATIA is written in C++ programming language.
Thickness of surface area tends to zero.
A French Company Dassault Systemes developed CATIA.
Yes CATIA works on Unix platform.
Cartesian, Polar and Spherical Coordinate system.
Parabola, Ellipse and Hyperbola.
It's Computer Aided Three-dimensional Interactive Application.
Major axis, minor axis and distance from origin are required to fully constrain ellipse.
It's mm, kg, sec respectively.