Static
STATIC Methods - are methods that work directly on the Type rather than an instance of the type.
double pi = Angle.PI.Radians; //3.142 double theta = Angle.DegreesToRadians(degrees); double theta = Angle.DegreesToRadians(45); Angle.Cos(x); DPoint3d.FromSumOf(ref DPoint3d Origin, ref DVector3d Vector);