If You Love Maths and Programming ....

If you love maths and programming, you should visit Project Euler. As the web site mentioned:

Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve. Although mathematics will help you arrive at elegant and efficient methods, the use of a computer and programming skills will be required to solve most problems.

I am warning you. Project Euler is pretty addictive site for people who are passionate about mathematics and programming