> I think the problem with the original question is that it's not valid! = =A0:-) Once the "2(" is corrected to the implied "2*(", which nobody (I think) questions the validity of, the answer should be, and is, "9". Many systems seem to have trouble with that. Russell --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .