Hi all! Any of you can give me the way to write greek and math symbols, with sub/super indexes, in legend boxes, titles and labels? Thanks a lot! andreu -- Andreu Corominas Murtra. PhD Student. acorominas at iri.upc.edu http://www-iri.upc.es/people/acoromin Institut de Robòtica i Informàtica Industrial (UPC-CSIC)