The author believes the sources for the numbers included, and the calculations made, in this web site to be reliable. However, exactitude or accuracy is neither warranted nor guaranteed. Numbers may be off by as much as a quadzillion. Hey! What do you expect from a web site that is totally free?
MORE SERIOUSLY - The author has spent a considerable amount of time putting this web site together. All the material in this web site is protected by copyright (©). It may not be used or copied in any manner without written permission from the author, which will in many cases be granted. But please have the decency and good sense of contacting me first.