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From a mathematical point of view: x = a + (b:sin() + c:cos() * 3):sqrt() vs x = a + math.sqrt(math.sin(b) + math.cos(c)*3) which one do you like? Quite out of the question, isn't it? dom -- http://www.DasGenie.com/ -- AIM: DasGenieDotCom - ICQ: 22369156