I would suggest to remove the manual table of content at the top:
and also the manual numbering in the headings.
It's hard to maintain manual numberings / tables of contents in our ~ dozen notebooks.
We have a rendering step which results in a navigation bar at the left:
In the introduction you mention PINT. Given that it's a very common term and there's another more popular python package with the same name: please add a link to the PINT package.