Présentation de 2627.jps

25 setxunit
7.5 setborder
90 setangle_repere
-20 20 setxrange
0 40 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   3*t-t^3
} def
/Y {settvar
#rpn#   3*t*t
} def
 10 neg 10  {X} {Y} Courbeparam