Jeff - the differences you're seeing are past the precision scale (7th number), aren't they? I'll bet you even get a substantially more "precise" result if and when you declare it as a Float(53). Funny how float point arithmetic works EXACTLY like BOL says it would.....
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Your lack of planning does not constitute an emergency on my part...unless you're my manager...or a director and above...or a really loud-spoken end-user..All right - what was my emergency again?