12 setfontsize
-5 5 setxrange
-.2 .95 setyrange

50 setxunit
150 setyunit
[1 1 .5 .5 .1 .1] {orange} Quadrillage
.7 setlinewidth

/f {
   0 1 Gauss
} def

/unites {} def
tracerepere
marks
.5 ymark

<tex>
$$
   y = {1\over \sqrt {2\pi }} e^{-x^2/2}
$$
</tex>

/dx_boxit 3 def
/dy_boxit 3 def
/linearc .05 def
/fillstyle {jaune fill} def
boxit
3 .5 [1.5 dup] cctexlabel
   
1.5 setlinewidth
gsave
   bleu
   {f} courbe
grestore

setTimesItalic
   (O) O drtext