You can report bugs related to a specific plugin in separate forum threads. In this case, the authors will be able to quickly notice and correct them.

This bug will be fixed in the next version. I hope I can fix the function itself as well.

Links:

- Mathcad Toolbox

Wrote

... This bug will be fixed in the next version. I hope I can fix the function itself as well....

Hi. I think that you can find this post interesting: https://en.smath.com/forum/yaf_postsm75035_CSpline-interpolation.aspx#post75035

Best regards.
Alvaro.