Dear Jiri and Rene, Thanks for the quick answers. As a matter of fact, the h1draw.C tutorial enabled me to learn how to use the higher level TPaveLabel and TPaveText classes to put text on the semi-log plots without problem. A tip also for other learners regarding the histogram fitting with user defined functions, as explained in the myfit.C tutorial. Some multi-Gaussian fits which I was attempting looked to be working fine in terms of the chi-squared result, except that the fit as drawn appeared to be clipped (flat top) at the peak maximum. This was simply a drawing artifact resulting from not having enough drawing points associated with the user defined function. The default value of 100 drawing points for the function object just needs to be increased sufficiently using the SetNpx method. Since a couple of other ROOT users here did not know of this feature, I thought that I would pass it on. Regards, Charlie
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