The entire contents of the web pages known as Karl's Calculus Tutor are copyrighted. Web users are permitted to make personal copies, both electronic and/or paper, of any or all of the material contained therein. Users (and especially math educators) are also permitted to distribute such copies provided that a) the material remains unaltered, b) no fee is asked for or paid in exchange for such copies, and c) that a copy of this notice is furnished with all copies exchanged. All other rights are reserved.
The author, Karl Hahn, retains the copyright to entire text and graphics (except graphics attributed to outside sources) of Karl's Calculus Tutor.