magic! this does the trick: expression(paste(italic(n)[symbol("\052")])) thanks for the hint, ted! -- Andrew B. Collier Physicist Waves and Space Plasmas Group Hermanus Magnetic Observatory Honorary Senior Lecturer tel: +27 31 2601157 Space Physics Research Institute fax: +27 31 2607795 University of KwaZulu-Natal, Durban, South Africa gsm: +27 83 3813655