Along the topic of not being able to run Artemis and Athena simultaneously under Windows. 1. Lack of complaints doesn't mean that he problem is rare. I have consistently seen this behavior (run either Artemis or Athena) on 3 different Windows NT/Win 2000 (incidently 128 Mb RAM) machines. I recall pointing it out to Bruce many moons ago, and just accepting it as the way things were. Matt and Bruce obviously spend a lot of time working on their programs to our benefit, and I didn't think it was worth Bruce's time to chase a small, possibly not fixable, problem like that down. Thus, I did not bug him about it after the first mention of it. I would just extract the EXFAS signal in Athena, save the file, close Athena, open Artemis, and fit. It seemed like a small price to pay for being able to use a great set of programs. 2. However, the recent exchanges on this matter got me to look closer. Now I see that I can run both programs simultaneously on my brand-spanking-new 1 Gb RAM Windows XP computer. I'll have to try it under WinXP and 512 Mb RAM at home this evening. Maybe this is indeed a memory size problem. 3. It seems like more and more of the posts to the Ifeffit list are about general EXAFS things like (for a recent example), what k-range to use. Bruce and Matt and others have been very helpful to the needy, and I can tell it has been much appreciated. (I think I already know the answer to my following question). Has it been considered to "split" the Iffefit list into 2 topics, 1 for general XAFS and 1 for Ifeffit and related programs. (Suspected answer.... "Great idea Mark, we've talked about this before, why don't you volunteer?") Mark J. ------------------------------ Mark P. Jensen Chemistry Division Argonne National Laboratory 9700 South Cass Avenue Argonne, Illinois 60439-4831 USA 630-252-3670 630-252-7501 FAX mjensen@anl.gov