Oh, certainly. Work does frustrate me on occasion, but usually it takes something orders of magnitude greater than that to bug me :-). I was just weirded out by the situation... In my mind, if we could create a procedure that works, verify that it works, and record its results for error-checking should problems develop. that was a solid defense against trouble. The idea that it could be faulty just because the formulae weren't visible threw me for a loop!