Hi, How can I get the '2+' into superscript in the following title:
'[Ca2+]i onsets' I tried the command below, but it doesn't work. What am I missing? hist(X, main=expression(([Ca*]i^2+) 'onsets'), xlab = 'sec') -- View this message in context: http://r.789695.n4.nabble.com/superscript-characters-in-title-with-tp3006981p3006981.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ 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.