Good afternood everybody, I have a question about using "Rinternals.h": If I need to evaluate a R expresion from my c++ code Do I have to change my c++ code enterelly?, I'm thinking about the way I allocate memory and the way I print for example. Thanks for any help in advance. Patricia ___________________________________________________________ Do You Yahoo!? La mejor conexi?n a Internet y <b >2GB</b> extra a tu correo por $100 al mes. http://net.yahoo.com.mx