	\centering
	\begin{gnuplot}[terminal=pdf,terminaloptions={font ",14" linewidth 2}]
		set nogrid
		unset border
        set lmargin at screen 0
		set rmargin at screen 1
		set bmargin at screen 0
		set tmargin at screen 1
		set yrange [-1:10]
		set xrange [-8:3]
		set size 10./10.
		set key center top reverse Left
		set xzeroaxis
		set yzeroaxis
		;set xtics axis out scale 0.5
		set ytics axis
		plot exp(x) lt rgb "#0000FF"
	\end{gnuplot} 