Something

# Just run 
# $ gnuplot < Ean.txt

set label "Apo ton ktogias ston {Phoinix} me agaph :P"
set ylabel "Ean(p)"
set xlabel "p"
set terminal png
set output "Ean.png"
set xr [0.0:1.0]
set yr [0.0:1.0]
set multiplot
plot (15*(x**2)*((1-x)**4)*0.466+20*(x**3)*((1-x)**3)*0.6+15*(x**4)*((1-x)**2)*0.533+6*(x**5)*((1-x)**1)*0.666+1*(x**6)*((1-x)**0)*1)/6
plot x