Thank you for your advise. If I add "//", it works. Thanks. Regards, Y. Noguchi -- View this message in context: http://mailinglists.scilab.org/Scilab-users-XCOS-error-Undefined-variable-m-tp4031145p4031163.html Sent from the Scilab users - Mailing Lists Archives mailing list archive at Nabble.com.