+
+- <b>Print log in a file</b> - if this option is checked on the log is printed in a
+file placed in the working directory, otherwise it is printed on the standard output.
+
+- <b>Remove log on success</b> - if this option is checked on the log file is kept only
+if an error occurs during the computation. This option is only available if <b>Print log in a file</b>
+is enabled (there must be a log file to delete it) and <b>Keep all working files</b> is disabled
+(in this case the log file is always kept).