The hints suggest how to use DrScheme at the various stages of the learning process. This marker refers to teacher hints , which suggest strategies on how to present a section, on how to approach an exercise, or on how to supplement some material. This marker links to on-line solutions. To find out more about registration, see the book's Web site. For readability, Scheme programs are typeset using a small number of fonts.
Italic words refer to program names and variables.
Sans Serif items are constants and built-in operations. Boldface words are Scheme keywords. Definitions come in three varieties. There are those terms that concern the principles of programming and computing. The book uses slanted words to emphasize such definitions.