# set terminal pngcairo  transparent enhanced font "arial,10" fontscale 1.0 size 600, 400 
# set output 'fillcrvs.2.png'
set key outside right top vertical Right noreverse enhanced autotitle nobox
set title "Intersection of two parabolas" 
NO_ANIMATION = 1
plot x*x with filledcurves, 50-x*x with filledcurves, x*x with line lt 1