Another excellent choice for a LaTex editor is LyX (https://www.lyx.org/ https://www.lyx.org/). It's not WYSIWYG, but does basic math formatting as you go, whic

Another excellent choice for a LaTex editor is LyX (https://www.lyx.org/ https://www.lyx.org/). It's not WYSIWYG, but does basic math formatting as you go, which is very helpful for complicated expressions.