Présentation de 8671.jps

1 setxyrapport
25 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
/quadrillagegray 0.4 def
1 setquadrillagexstep
1 setquadrillageystep
quadrillage
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
/R {settvar
#rpn#   5+exp(-0.1*t)
} def
 0 20 pi mul  settrange
gsave
   .75 setlinewidth
   continu
   bleu
   (R) courbepolar
grestore