Emmanuel Birdling wrote: > I like to find out more about plotmath
See the extensive help page ?plotmath and the article referenced therein Murrell, P. and Ihaka, R. (2000) An approach to providing mathematical annotation in plots. _Journal of Computational and Graphical Statistics_, *9*, 582-599. HTH, Tobias ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.