Introduction - If you have any usage issues, please Google them yourself
C-series with its own 3rd B-spline curve and surface procedures to deal with operations, to the need.
Packet : 913319693bsplinecurveandsurface.rar filelist
3B Spline Curve&3B Spline surface\3B Spline Curve.c
3B Spline Curve&3B Spline surface\3B Spline surface.c
3B Spline Curve&3B Spline surface