4000 setxunit
7.5 setborder
90 setangle_repere
-0.1 0.1 setxrange
-0.1 0.1 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/g {setxvar
#rpn#   x*Sin(1/x)
} def
gsave
   rouge
   .75 setlinewidth
   continu
 xmin .001 neg  {g} Courbe
 .001 xmax  {g} Courbe
grestore