LibreOffice

https://www.libreoffice.org/ - the free office suite

Extensions

TexMaths

TexMaths - a LaTeX equation editor for LibreOffice.

Installation:

• sudo apt-get install texlive
• sudo apt-get install dvipng
• http://dvisvgm.sourceforge.net/Downloads
• install the extension

Test LaTeX expression: (x+y)^n + \frac{x}{n}