\documentclass[a4paper]{article} \usepackage{gnuplottex} \begin{document} \begin{gnuplot}[terminal=pdf,terminaloptions=fsize 20 linewidth 3] plot sin(x), cos(x) \end{gnuplot} \begin{gnuplot}[scale=0.8] set grid set title 'gnuplottex test $e^x$' set ylabel '$y$' set xlabel '$x$' plot exp(x) with linespoints \end{gnuplot} \end{document}