158.jps [ retour — édition — source ]
-6 2.8 setxrange -1.5 1.5 setyrange 20 setxunit 18 setfontsize traceOx axeOxarrow 0 xtick -4 xtick /M {-4 0} def /O {0 0} def setTimesItalic (O) O uctext (M) M uctext rouge setTimes (0) O dctext setTimesItalic (x) M dctext