How would you write a LOGO program to approximately reproduce the Olympic Rings logo?
You can do this theoretically, use logo or even try to do it in a limited number of characters making use of the twilgo http://twilgo.com
environment. Using this small number of characters is a challenge!
Did you know ... ?
LOGO is a simple programming language which instructs a pointer (or 'turtle') to move on a flat surface. Mathematicians often become very skilled computer programmers and learning how to create beautiful, efficient algorithms is a part of this.