Ng Stanley wrote: > Hi, > > For example, the y axis shows "0 500000 1500000". Is there any way to > beautify the tick labels to get 0 5 10 15, and at the top of y-axis "x10^5" > (superscript 5) ? My plots all have different ylim, how to perform the > beautification automatically ? Hi Stanley, You may want axis.mult in the plotrix package Jim