My Teaching Philosophy  |  Things.Photos   |  MathDL   |  Contacting Me



The Mathematics Digital Library (MathDL)


The Mathematics Digital Library (MathDL) is a digital library of mathematics questions. It was created because I felt that publishers are charging too much for mathematics textbooks. They reuse most of the material (examples, questions, explanatory text) from one edition to the next, and charge users as if most of the content were new.

Over the years I’ve taught (over 28 years!), I’ve accumulated many textbooks. In fact, I’ve a few editions of several textbooks! I thought a database of mathematical questions would be useful.

In addition, textbooks today have become bloated. Many pages in a textbook are devoted to examples and exercises. I’m hoping that one day, authors will not have a “exercise” section in their textbooks. They will just include links to the questions that this database provides, from their textbooks. I think this would thin down textbooks quite a bit, and make it less intimidating.

Several publishers have also tried to disrupt the textbook market. Two such publishers that I know of are (1) CK12; and (2) BookBoon.