LaTeX
Installation
sudo apt-get install texlive-xetex texlive-pstricks texlive-latex-recommended texlive-latex-extra
sudo apt-get install texlive-fonts-recommended texlive-science
Usage
xelatex greek.tex
XeTex and pstricks
Source
\documentclass{book}
\usepackage{pstricks,pst-func}
\begin{document}
\begin{pspicture}(5,10.5)
\psaxes{->}(5,10)
\psPolynomial[coeff=10 -2,linecolor=blue]{0}{5}
\end{pspicture}
\end{document}
Ελληνικά
\documentclass{article}
\def\pgfsysdriver{pgfsys-xetex.def}
\usepackage{fontspec}
\usepackage{xunicode}
\usepackage{xltxtra}
\setmainfont[Mapping=tex-text]{DejaVuSans}
\begin{document}
\today\newline
Ελληνικό μαζί με english κείμενο
\end{document}