Sadly, the Guardian sells next to nothing despite it being by far the best newspaper.
Yes I agree with that. The thing is, ever time I made things more accurate I later realise I've made it too involved.
However, it *is* visually convincing and it does explain it, and so I thought it would make quite a good introduction.
Do feel free to get in contact with me about any ideas though. I know it isn't perfect, or anywhere near, and there is always a good reason to improve it.
As for the other comment, opps I'll fix that.
Oh and also this book is great:
You don't need much knowledge (A-Level knowledge in the UK) but there are so many wonderful results proved in it!
I wrote this:
It was meant as an introduction to the idea of proof. Perhaps you might like it.
Engineering students might well need one though.