<p>It says I need “Essential Cal w/ web assign” and the book is on Amazon for so much cheaper than the supe! I want to buy it but I don’t know if I can because of the web assign part. Is that something that only comes with a new book? What is it?</p>
<p>It certainly appears that a good webassign key came with D’s used Essential Calc book (from Amazon) but we won’t know for sure until she tries it out after class begins.</p>
<p>Webassign is not used by all the instructors even if it’s listed as required on the website and if required, can be purchased from the publisher online at a price that is much lower than the Supestore.</p>