Présentation de 1440.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# 5 3 add t Cos mul 5 t 1 5 3 div add mul Cos mul sub } def /Y {settvar #rpn# 5 3 add t Sin mul 5 t 1 5 3 div add mul Sin mul sub } def 0 pi {X} {Y} Courbeparam