User:Johnxyz1
Below are some stuff I am doing to practice (that logo typeset by \LaTeX
looks a bit off). That does not mean I know all of it.
Source code:
https://1drv.ms/t/c/c49430eefdbfaa19/EQw12iwklslElg9_nCMh0f0BVthxSSl-BOJAwsXtGbbhPg?e=1LfZJm