set terminal png
		set output "gnuplot01b.png"
		set grid
		set samples 100000
		unset border
        set lmargin at screen 0
		set rmargin at screen 1
		set bmargin at screen 0
		set tmargin at screen 1
		set yrange [-7:10]
		set xrange [-8:8]
		set size 10./10.
		set key center top reverse Left
		set xzeroaxis
		set yzeroaxis
		set ytics axis
		set xtics axis
		set arrow from -4.2,6 to -1.1,6 lt rgb "#FF0000" lw 2
		set label "von links" at -3.5,6.5 tc rgb "#FF0000"
		;set style line 1 lt 2 lw 2 pt 3 ps 0.5
		plot 1/(x**2 -1) lt rgb "#006300" lw 2  notitle