I think these might be more useful... http://www.scribd.com/doc/414813/Google-Cheat-Sheet-Advanced-Operators
There is a ton more Google tips and tricks at the site where that article was taken from. http://www.googleguide.com/advanced_operators.html Cheers James
Even though I know about it before, I had a chance to get them all in a singel page and well formated. I printed it.