Présentation de 181.jps

25 setxunit
7.5 setborder
90 setangle_repere
-9.425 9.425 setxrange
-9.425 9.425 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   Sin (3*t) + 3 * Sin (t)
} def
/Y {settvar
#rpn#   Sin (t) + Cos (t)
} def
 Erreur lexicale !-pi;pi
___^
 Erreur lexicale !-pi;pi
___^
  {X} {Y} Courbeparam