25 setxunit
7.5 setborder
90 setangle_repere
-10 10 setxrange
-8 8 setyrange
[1 1 .5 .5 .1 .1] {orange} Quadrillage
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn#   x^3/(x^2-1)
} def
/g {setxvar
#rpn#   1/x
} def
gsave
   bleu
   .75 setlinewidth
   continu
   {f} courbe
grestore