# set terminal png transparent nocrop enhanced font arial 8 size 420,320 
# set output 'fillcrvs.3.png'
set grid nopolar
set grid xtics nomxtics ytics nomytics noztics nomztics \
 nox2tics nomx2tics noy2tics nomy2tics nocbtics nomcbtics
set grid front
set key out top Right noreverse noinvert enhanced box linetype -2 linewidth 1.000 samplen 4 spacing 1 width 0 height 0 autotitles
set title "Filled sinus and cosinus curves" 0.000000,0.000000  font ""
plot 2+sin(x)**2 with filledcurve x1, cos(x)**2 with filledcurve x1