Help Wiki

My blog posts are hopefully occasionally helpful, but this isn't specifically a help system. To help students, I want something that they can contribute to, and thereby help each other. In principle, at least, this should have at least a … Continue reading


I will post answers to questions here for now, until I have a better idea... Function composition A function can be illustrated with a metaphor. Imagine a machine (call it ) that you allows you to put a number in, … Continue reading