Add new comment

Permalink Submitted by Anonymous on June 6, 2011

I also saw the VB error but it did not detract from the subject in anyway. Again thanks for sharing.

Maths in a minute

Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.

Mysterious 6174

Start with your favourite four-digit number, follow these simple steps, and you'll never guess what happens next!
Inverse problems save the day

Inverse problems are mathematical detective problems. They can help solve crimes, are used in medical imaging, and much more.
Maths in a minute: The d'Hondt method

How does the voting system for the European Parliament elections work?
A cute problem goes big

Mathematicians have revived an old approach to solving the famous Riemann hypothesis.
Our changing picture of gravity

To celebrate the recent centenary of the first major test of Einstein's general theory of relativity, we look back over how our picture of gravity has changed.