I will require it for some things and this is a good way to get familiar with its capabilities. Ask for help anytime you need it. I don't know if you aren't understanding something, so you need to let me know. I strongly urge you to consider doing some of the problems not assigned, because then you will be able to see how they are done. On the site there are some corrections for the text as well as a basic math review.
Labs are due at the end of class.
On some occasions as announced, labs will be due at other times. In other words you are teaching the class this material. Use what material you need to illustrate what you are talking about, in other words, how do you want to be taught the material. As a scientist you need to be able to interpret scientific material. For instance when you are writing a paper you have to read scientific material and synthesize it.