TFs and CAs sometimes put together handouts for their section's students. If these are of general interest, we will try to have them scanned in to be made available for everyone in the Math 21a course.
Charlotte Eccles put together the following on some background review material on the basics of differentiation from Single Variable calculus: Charlotte's Single Variable Calculus Review Handout
Here is the Mathematica file Andy used in his Monday class on section 11.6, the Whole Derivative (aka Gradient Vectors). To download a file such as this one just hold the shift key down while you click on it: Mathematica file for Gradient Vectors (section 11.6)
Here is the PDE Handout that is being used for the section on PDEs being covered in all sections during the week of Nov. 8th through 12th (again, to download this Word document hold down the shift key while you click on the link).
Charlotte Eccles put together the following on the basics of integration
from Single Variable calculus:
Charlotte's
Integration Review Handout