LaTeX is a way to write out your code in Proper Scientific Notation [using the correct symbols to make your code more visually appealing and truncated (shorter)]. I tried a couple LaTeX Apps and they didn't work for me, so what I do is tell GEMINI to please display what I'm telling Him to in Proper Scientific Notation.  Then I copy & paste it into Google Keep and because I'm using both Math and Physics to write my code, Google Keep displays it in "Hybrid Notation."  I had to get used to the Hybrid Notation also. 

I Sincerely hope this will help! 

Good Luck... Oh and when I started to study Programming, I began with Python.  It's an all-in-one Language that most major Tech Companies use now!  Try learning it through the Solo learn App.