Doesn't matter. It's like saying 1 + 2 + (3 + 4). That is why they use + as the AND operator in boolean logic. Bob On Jan 27, 2013, at 10:39 AM, Peter Haworth wrote: > The manual says the grouping operator (parens) has the highest precedence > so does this mean (cond3 and cond4) will be evaluated before cond1 and > cond2? > > Just curious.