Ah, degrees symbols have to be converted to the words degrees. If you don't, the braille version of the book won't show it correctly. At least that is my understanding from years of scanning cookbooks. I don't know about the ones that are like "to the third power" but when I scan a book with that I write those out too. -- Jamie in Michigan Currently Reading: Child 44 by Tom Rob Smith See everything I've read this year at: www.michiganrxtech.com/books.html