Présentation de 743.jps

25 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
1 1 settkstep
1 1 setsubtkstep
1/2 1/2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   3*cos(t)-2*(sin(t))^3
} def
/Y {settvar
#rpn#   cos(4*t)
} def
 0 pi  {X} {Y} Courbeparam