Présentation de 2977.jps

25 setxunit 7.5 setborder 90 setangle_repere -5 5 setxrange -5 5 setyrange [1 1 .5 .5 .1 .1] {orange} Quadrillage 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow /R {settvar #rpn# ln(t) } def 0 10 pi mul settrange gsave .75 setlinewidth continu bleu (R) courbepolar grestore