\documentclass{article}[14pt,a4paper] % Comment the following line to NOT allow the usage of umlauts
%\usepackage[utf8]{inputenc}
%\useusepackage[utf8]{imputenc} %\usepackage[a4paper, lmargin=2cm, rmargin=2cm, bottom=2cm]{geometry}
\usepackage{color} % Uncomment the following line to allow the usage of graphics (.png, .jpg)
\usepackage{multicol} \usepackage{verbatim} \usepackage{graphicx} \usepackage{amsmath} \usepackage[all]{xy} \usepackage{pst-all} \usepackage{tikz} \usepackage{gnuplottex} \usepackage{pst-pdf}
