set encoding utf8
set title "Gamma-function: computed vs. tabulated"
set term svg background rgb "white"
set out "Gamma.svg"
set xlabel "x"
set ylabel "y"
set xzeroaxis
set yzeroaxis
set tics out
set key bottom right
plot [:5][-5:5] \
 "out.gamma.txt" with lines title "Γ(x)" \
,"table.gamma.txt" with points pt 7 title "tabulated"