from Tech Talker, Quick and Dirty Tips:
If you don't know these tips already, a useful article regarding Google searches. And, don't forget to read the comments, too!
"Here are my 3 Quick and Dirty Tips for faster and easier Google searches:
1. Use the tilde, minus, and quotation mark keys to narrow down your results.
2. Use Google for instant math solutions and even value conversions in one click.
3. Search within individual websites to find a direct path to the content you’re looking for."
Read entire article.