https://github.com/mathjax/MathJax-examples/blob/master/advanced/interactive-sample.html
https://jsxgraph.uni-bayreuth.de/wp/about/index.html
https://docs.mathjax.org/en/latest/advanced/typeset.html
https://stackoverflow.com/questions/75735815/mathjax-formular-causes-linebreak-with-other-elements
https://tex.stackexchange.com/questions/8936/how-to-break-a-long-equation
https://groups.google.com/g/mathjax-users/c/MKUF5d9YEy8?pli=1
https://webpages.uidaho.edu/~renaes/419/Handouts/rmarkdown-cheatsheet3.html https://jojozhuang.github.io/tutorial/mathjax-cheat-sheet-for-mathematical-notation/