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...e recommend a way to format this? I want the two phrases connected by a right arrow. TIA, these things always elude me. Bryan *********** Bryan Hanson Professor of Chemistry & Biochemistry DePauw University xlab1 <-expression(paste("Phase Angle ", phi, " Neat-O")) xlab2 <- expression(paste("treatment: low stress", "high stress", sep = "%->%")) xlab3 <- expression(paste("treatment: low stress", %->%, "high stress")) plot(1:10, main = xlab1) plot(1:10, main = xlab2)