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