Présentation de 7388.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^2-4)Cos ((t+1/t)*pi) } def /Y {settvar #rpn# (t^2-4)Sin ((t+1/t)*pi) } def 0 pi {X} {Y} Courbeparam