set terminal png
		set output "gnuplot01a.png"
		set grid
		unset border
		set samples 100000
        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 3,-5 to -0.9,-5 lt rgb "#FF0000" lw 2
		set label "von rechts" at 0.9,-4.5 tc rgb "#FF0000"		
		plot 1/(x**2 -1) lt rgb "#000FCF" lw 2 notitle