# Free courses

#### A few free courses covering one topic each, to stimulate your brain cells and perhaps make mathematics more fun

These courses are on high-school level, but the topics covered will also be useful on college or university level.

## Completing the square

To find a list of objectives and a full listing of the content of this course, visit the detailed page.

## Proofs by induction

To find a list of objectives and a full listing of the content of this course, visit the detailed page.

## Fun tricks for everybody

To find a list of objectives and a full listing of the content of this course, visit the detailed page.

## Questions? Ideas? Requests?

If you have questions or ideas for us, go to our blog page where you’ll find comments and answers from other users and where you can post your own comments and queries. We’re pretty good with answering them.