612.jps [ retour — édition — source ]
tracerepere 40 setxunit 40 setyunit -3 3 setxrange -3 3 setyrange unites /O {0 0} def /A {2 0} def /B {1.73 1} def /C {-1.73 -1} def [A B C] points setTimesItalic (O) O drtext (A) A drtext (B) B drtext (C) C drtext [A B C] dashpoints [A B C] polygone bleu O 2 cercle