Présentation de 274.jps

25 setxunit
7.5 setborder
90 setangle_repere
-5 5 setxrange
-5 5 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   t^2+t
} def
/Y {settvar
#rpn#   t^2-t+1
} def
 Erreur lexicale !-1000000000000000000;100000000000000000000000
____________________^
 Erreur lexicale !-1000000000000000000;100000000000000000000000
____________________^
  {X} {Y} Courbeparam