Abstract: Computer-assisted instruction systems have been broadly applied to help students solving math word problems. However, these systems offer little help to students encountering multi-step ...

You are expected to have read the following sections of Bryant and O'Hallaron: chapter 1, chapter 2, section 4.2. Don't worry about the algebraic structures: Groups, Rings, Algebras, etc. I won't ask ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Robert Kelly is managing director of ...