Présentation de 1685.jps

25 setxunit 7.5 setborder 90 setangle_repere -10 10 setxrange -4 8 setyrange 1 1 settkstep .5 .5 setsubtkstep 2 2 setmkstep ticks subticks marks traceaxes axesarrow unites /f {setxvar #rpn# x-(sh(x)/ch(x)) } def /g {setxvar #rpn# 1/ch(x) } def gsave bleu .75 setlinewidth continu {f} courbe grestore gsave rouge .75 setlinewidth mixte xmin .01 neg {g} Courbe .01 xmax {g} Courbe grestore