Hello, Mr. Stefan, Thanks. plot (X,Y); cafix = gca(); cafix.tight_limits="on"; cafix.auto_scale="off"; cafix.data_bounds = [-0.5,-2;0.5,2]; set(gca(),"data_bounds", cafix.data_bounds); -- Sent from: http://mailinglists.scilab.org/Scilab-users-Mailing-Lists-Archives-f2602246.html