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Thanks David also for your solution. Although this always splits the string in four "words" (or at least this sees to me). And at one stage I want to read also the "ic=" word. Anyhow it looks also very easy. I will give a try as well to see what...
Hi Shenghui I have been playing around and it looks very promising. The only drawback I have found is that the curves are different from the slow ones I got. It's probably a precision problem and/or the Chop function. I will continue researching on...
Thank you very much Nasser. It works great :). Stefan