1. c1.SaveAs("plots/demo9_binomial.png")
    2. # png makes lightweight figures, but scale badly.
    3. c1.SaveAs("plots/demo9_binomial.pdf")
    4. # scales well, but can be huge with lots of points.
    5. c1.SaveAs("plots/demo9_binomial.tex")
    6. # Figure for inclusion in a LaTeX document.
    7. c1.SaveAs("plots/demo9_binomial.C")
    8. # Useful format to re-load into ROOT later.