> ... This means that, once you get to an infinite number > of terms in a series, addition is no longer commutative > or associative. Yes. You spiral into the sun (or appropriate equivalent local star) while the mathematicians ponder the glories of creation and their inabilities to come to grips with their tools. Russell Flame shields still up. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist