Présentation de 1854.jps

25 setxunit 7.5 setborder 90 setangle_repere -100 100 setxrange -100 100 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow .75 setlinewidth continu bleu /X {settvar #rpn# (t^2-t+1)/t+1 } def /Y {settvar #rpn# 3t^2-t^4 } def 0 2000 {X} {Y} Courbeparam