At the risk of resurfacing near-traumatic feelings for any readers, I want to share the introduction to the first chapter of the undergraduate linear algebra textbook: I remember interrupting my ...

THE appearance of this book marks another stage in the improvement which is at last being effected in English treatises on elementary algebra. How different it is from the old-fashioned text-book will ...

You scrambled up a Rubik’s cube, and now you want to put it back in order. What sequence of moves should you make? Surprise: You can answer this question with modern algebra. You might remember ...