TeXMaths: LIbreOffice's extension

TeXMaths is an LibreOffice's extension that enables to make equations with LaTeX on LibreOffice. The installation is very simple:

1. Download .oxt file from download page
2. Run LibreOffice -> Tools -> Extension manager -> Add -> Specify the downloaded .oxf file.
3. Re-run LibreOffice. Pi mark icon is added in the toolbar.

The extension requires either of dvipng or dvisvgm.
sudo apt-get install dvipng
sudo add-apt-repository ppa:martin-gieseking/ppa
sudo apt-get update
sudo apt-get install dvisvgm