I started to use (La)TeX around 2004 when I began my university studies. Since then I've been trying to learn more and more about this wonderful typesetting system and this process will hopefully not stop before the worms start feasting on my corpse.
These days I teach mathematics, physics, and geography in high school, and typeset all my work-related notes using LaTeX.
Some of my favorite LaTeX packages include
amsmath (with the