Présentation de 3485.jps

25 setxunit
7.5 setborder
90 setangle_repere
-20 20 setxrange
-20 20 setyrange
1 1 settkstep
.5 .5 setsubtkstep
2 2 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   (t+1)/t^3
} def
/Y {settvar
#rpn#   (t-1)/t^2
} def
-4 4 {X} {Y} Courbeparam