%% auteur : 

30 setxunit
30 setyunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
%[1 1 .5 .5 .1 .1] {orange} Quadrillage
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
unites
/f {setxvar
#rpn#   1/x
} def
setTimes
boxit
<tex> 
$f(x)={1\over x}$
</tex>
() 2 4 cctexlabel


%/A {-2 -.5} def
%/A' {2 .5} def
%/B {-2 0} def
%/C {2 0} def
%[A A'] points
%pointilles
%[B A A' C] ligne


%(A) A dltext
%(A') A' urtext
(O) O drtext
%setTimesItalic
%(X) 4.5 -0.5 crtext
%(Y) -0.5 4.5 urtext
gsave
   bleu
   .75 setlinewidth
   continu
0.001 xmax {f} Courbe
grestore