In labeling axes, I want to combine symbols and text/superscripts. Examples include: m2 (m, followed by a superscripted 2) µg (micrograms) How can I accomplish this in R? Dennis Fisher MD P < (The "P Less Than" Company) Phone: 1-866-PLessThan (1-866-753-8864) Fax: 1-415-564-2220 www.PLessThan.com