.1 setxyrapport 20 setxunit 7.5 setborder 90 setangle_repere -6 6 setxrange -.12 1 setyrange 1 .1 settkstep 1 .1 setsubtkstep 5 .2 setmkstep ticks subticks marks traceaxes axesarrow /sigma 1.2 def /m 1 def /f {m sub sigma div dup mul -2 div Exp 2 pi mul sqrt sigma mul div} def gsave bleu continu /hstep 4 store /hangle 37 store 2 3 {f} Hachcourbe grestore .75 setlinewidth continu bleu {f} courbe noir setTimesItalic (Loi normale de paramètres m = 1 et ) xmin xmax add 2 div ymin uctext setSymbol (s = 1.2) show