da Style-function style
Function style(style) gestione
grafica per file.txt,plt
Set function style lines
Set function style points
Set function style
linespoints
Set function style dots
Set function style impulses
Set function style errorbars
Set function style boxes
Set function style
boxerrorbars
Show function style
lines......points
linespoints....dots
impulses....errorbars
boxes.......boxerrorbars
