Hi Éric, i sorry, but i had not seen your reply. I to do with your routine, i see this error. !--error 10000 function brybos works only with ts at line 65 of function brybos called by : brybos('Australia','M=4','m=0.03','e=1','k=2','proc=''bb''') Could you help me? Thank you very much!! Regards Cristian Rabanal