set style data points
        set style function lines
        set key box left
        set tics in
        set ticslevel 0.5
        set tics scale 1,0.5
        set mxtics default
        set mytics default
        set mx2tics default
        set my2tics default
        set xtics border mirror norotate
        set ytics border nomirror norotate
        set nox2tics
        set y2tics border nomirror norotate
        set timestamp "" bottom norotate offset 0.0,0.0 font ""
        
        FACTOR = 10.0
        set term unknown
        plot "2.4_surface_tension.gdt" using 1:2
        set yrange [FACTOR*GPVAL_Y_MIN : FACTOR*GPVAL_Y_MAX]

        set term png
        set output '2.4_surface_tension.png'
    
        set title "Surface Tension versus Time"
        set timestamp "" bottom norotate offset 0.0,0.0 font ""
        set xlabel "Time (ns)"
        set ylabel "Surface Tension (mN/m)"
        set y2label "Surface Tension (mN/m)"
 
        plot "2.4_surface_tension.gdt" using 1:2 title "Instantaneous (left axis)" with lines lc 1,\
             "2.4_surface_tension.gdt" using 1:3 title "Average (right axis)" with lines lc 3 lw 2 axis x1y2
        set style line 99 linetype 1 linecolor rgb "#CCCCCC" lw 1
        set grid ls 99
        rgb(r,g,b) = int(r)*65536 + int(g)*256 + int(b)

        set term gif
        set output '2.4_surface_tension.gif'
        replot