%% auteur : 

40 setxunit
7.5 setborder
90 setangle_repere
-4 4 setxrange
-1 10 setyrange
[1 1 .5 .5 .1 .1] {orange} Quadrillage
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn#   x^2
} def

<tex>
$$
   y = x^2
$$
</tex>
/dx_boxit 2 def
/dy_boxit 2 def
/fillstyle {jaune fill} def
/linearc .05 def
boxit
2 9 [2 dup] cctexlabel


(O) O dltext
gsave
   noir
   1.5 setlinewidth
   continu
   {f} courbe
grestore