Présentation de 761.jps

25 setxunit
7.5 setborder
90 setangle_repere
-10 10 setxrange
-10 10 setyrange
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
ticks
subticks
marks
traceaxes
axesarrow
.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   (t-sin(t))/t^2
} def
/Y {settvar
#rpn#   (1-cos(t))/t^2
} def
 100 neg 100  {X} {Y} Courbeparam