Présentation de 8363.jps

30 setxunit
7.5 setborder
-1.5 1.5 setxrange
-1.5 1.5 setyrange
jpegmode
1 1 settkstep
.5 .5 setsubtkstep
1 1 setmkstep
xticks
xsubticks
xmarks
traceOx
axeOxarrow
0.75 setlinewidth
continu
bleu
/X {settvar
#rpn#   4Sin (t)
} def
/Y {settvar
#rpn#   3Cos (t)
} def
 0 2 pi mul  {X} {Y} Courbeparam