%% on veut obtenir une Bouding Box de 0 0 576 842 (format A4) 52 setxunit %% 10 mm -2 3 setxrange -3 2 setyrange 10 setborder [1 1] {.4 setgray} Quadrillage -2 3 setxrange -3 2 setyrange [1 1 .5 .5 .1 .1] {.4 setgray} Quadrillage traceaxes axesarrow [-2 -1 1 2] {xmark} apply [-3 -2 -1 0 1 2] {ymark}apply