Define your own commands in LaTeX
Channel: Sebastiano Tronto Lectures
Date: 2021-03-12

LaTeX: https://www.latex-project.org
Texmaker (LaTeX editor): https://www.xm1math.net/texmaker

Wikibooks LaTeX tutorial: https://en.wikibooks.org/wiki/LaTeX


For writing more advanced commands, check out:
newcommand.py: https://www.ctan.org/tex-archive/support/newcommand
Writing plain TeX macros: https://en.wikibooks.org/wiki/LaTeX/Plain_TeX#Plain_TeX_macros