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

LaTeX Math Commands:

• http://amath.colorado.edu/documentation/LaTeX/Symbols.pdf
• http://www.artofproblemsolving.com/Wiki/index.php/LaTeX:Commands#Math_Commands
• http://www.personal.ceu.hu/tex/cookbook.html#formnum

Test LaTeX expression:

• (x+y)^n + \frac{x}{n}
• \underbrace{\frac{1}{2}+\frac{1}{3}}_{6}