how to use parametric equations in pro/e.......????
This video may help you Stifnes Samuel... https://www.ptcusercommunity.com/videos/1349
in above video equation used for ellipse instead of this you can use various equations....
1.Cartesian Coordinates: x, y, & z
2.Cylindrical Coordinates: r, theta, & z
3.Spherical Coordinates: rho, theta, & phi
check this link you can found various equations for diffent curves.....