25 setxunit
7.5 setborder
90 setangle_repere
0 10 setxrange
0 7 setyrange
/quadrillagegray 0.4 def
1 setquadrillagexstep
1 setquadrillageystep
quadrillage
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
unites
/f {setxvar
#rpn# 3x
} def
gsave
bleu
.75 setlinewidth
continu
xmin 0 {f} Courbe
2 xmax {f} Courbe
grestore
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