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.
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