Thank you Pilou!

The curve explorer works, I thought it was a tool to draw curves and have now realised it is a tool to discover mathematical details of a curve. I am so sorry for any inconvenience.

Merci beaucoup, Through Points is a much better way to draw these curves than Control Points! I think I need to figure out how to upload a higher resolution image, as mine come out quite fuzzy.

I love Tintin! What a fabulous comic.