<h1 class="mainh1">Using google like a pro</h1>

1. Definition
define: Blogging

2. Calculator
2*3(5/4)-3+2

3. Unit converter
23 grams in kilograms

4. Exact word and phrase
"Hello World"
by using this quotation mark (double inverted comma)  you will be able to find the only websites that contain Hello World

5. To exclude a word
Macosx softwares -iphoto
The minus sign sign says that the word shouldnot appear on results

6. Searching a site
site:makingaware.blogspot.com windows 7
The site says that it should get the search results only from the specific site.

7. Related words
~blog
you will get results only which are related to the word the blog

8. Wild card
*
The asterisk (*) is a wildcard that can match any word.
for eg: Apple acquired the * company and * company
here you'll get the comapnies acquired by google

9. Time ranges
..
get the results within the specified time range
for e.g. operating system 2002..2008

10. One word or another
OR
eg: mac or macosx

11. File type
"keyword" filetype:pdf
if you want to search for word economics
e.g. economics filetype:pdf
here youll get all the pdf files related to economics also you can try with extensions like : docs, pdf, ppt, pptx, xls, flv, mp4, m4v e.t.c