Um, Paul, thanks for the 'math geek' explanation smile - now what does it mean in English? And remember, I can't read math symbols very well - let's just say that I can read Korean characters easier...

No Lois clone for you yet - but have a chocolate Cat Grant to tide you over until you can do the translation smile

Melisma (seriously having to go get ready for Sunday evening classes, here under her Rock)

Do, or do not. There is no try.
- Yoda