Tutorials Wisdom is the right use of knowledge. To know is not to be wise.
Many men know a great deal, and are all the greater fools for it.
There is no fool so great a fool as a knowing fool. But to know how to use knowledge is to have wisdom. This student-oriented site also includes supporting teacher resources. An overview, instructions, examples of classroom use, and message Board. This excellent Mac-user oriented site includes a downloadable version of the compiled tutorials.