Présentation de abs_01.jps

/syracuse/bbgraf/albums/intervalles/abs_01.jpg
50 setheight 20 setxunit -2 2 setyrange -9.5 4 setxrange /I {-3 0} def /r 5 def /I1 {I r 0 addv} def /I2 {I r 0 subv} def traceOx xticks xsubticks xmarks 0 xtick 0 xmark I times2 I I1 15 Arc I I2 15 Arc