>>>>> "Roger" == Roger D Peng <rpeng at jhsph.edu> >>>>> on Wed, 28 Jan 2004 19:35:28 -0500 writes: Roger> Use substitute() Yes! Roger> n <- 20 Roger> plot(0, 0, main = substitute(paste(n[i], " = ", k), list(k = n))) but even better is plot(0, 0, main = substitute(n[i] == k, list(k = n))) (note the "==" !) Martin