The version of Stewart's Calculus that was introduced in Fall 2008 comes a s a three-hole punched packet with two WebAssign codes. This particular format was chosen as a cost saving measure for students. The version sold by the OSU Bookstore is about $120. On February 2, 2009, the list price of the hardbound version of Calculus, Early Transcendentals, 6ed. by James Stewart was $207.95 on Amazon.com and sold at a discounted price of $144.10. List price of WebAssign is $35.00 per semester, i.e., per code. Some students do not take all three semesters of the calculus sequence so the mathematics department decided to include only two WebAssign codes. Students taking the third semester Math 2163 will need to purchase another code from WebAssign or from another student who did not use both codes (caveat emptor).