Welcome to The Mathematics Digital Library (MathDL).

MathDL is a bank of mathematics questions extracted mainly from mathematics textbooks that are out-of-print.

You can access the questions by browsing through them or by searching the database using the search engine.

Browse through questions from books | |

Browse through questions from examination papers |

I’ve co-located questions that are related, and you may browse through them too.

compare and contrast — these are questions that look the same, but are solved in very different ways | |

more or less — these are questions that look the same, and are also solved in “more or less” the same way |

Definition of Mathematical and Statistical Terms

Two topics that I’m working on now is logarithmic differentiation and reduction formulae.

Two types of teaching tool I’m working on:

- compare and contrast — these are questions that look the same, but are solved in very different ways
- more or less — these are questions that look the same, and are also solved in “more or less” the same way

The Mathematics Digital Library was founded by Dr Lee Chu Keong. The reasons why he founded can found here.