Présentation de 6800.jps

25 setxunit 7.5 setborder 90 setangle_repere -500 500 setxrange -500 500 setyrange 50 50 settkstep 25 25 setsubtkstep 50 50 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# 6*t-9*t^2+4*t^3 } def /Y {settvar #rpn# 6*t-3*t^2-4*t^3 } def 500 neg 500 {X} {Y} Courbeparam