Curated OER
Math Handbook: Calculus
If only there was a reference that listed all the formulas covered in calculus. Luckily, there is. This comprehensive 197-page handbook provides formulas and explanations for all topics in AP Calculus or in a standard college calculus...
University of California
Uc Berkeley Library: Critical Evaluation of Resources
Questions to ask yourself when determining if a source is reliable. Discusses difference between primary and secondary source. List of reference sources and links to other sites that teach you how to evaluate sources....