by eimaj, on Webupon.com

1. Removing Unwanted Pages

   

   Ever searched for something before, and had a whole list of completely irrelevant web pages come up? This is annoying at the best of times, as it takes time to check and read through the list of sites and find the one you actually want.
   For example, if you were looking for a review of the book “Eragon”, and you typed into Google “Eragon review”, many of the links listed are reviews of the movie, not the book. Because you are not looking for a review of the movie, you can remove all pages relevant to the movie by adding “-movie” to the end of your search terms.
   This will now display all the pages relevant to “eragon review”, but not relevant to “movie”.

2. Calculator

   
   Google can be used as a calculator, answering anything from the simplest math to the most complex equation. Just enter your math question, and Google will display the answer.
   + is used to add terms, – to subtract terms, * to multiply terms, and / to divide terms. Besides these basic operators, you can use ^ to work out something to the power of something (for example, “2^4” would be 2 to the power of 4), and “sqrt” to calculate the square root of a number (for example, “sqrt 4” would be the square root of 4).

3. Dictionary Definitions

   
   By typing “define:” before a word, Google will retrieve and display a list of dictionary definitions for that word.

4. Search A Single Website

   
   If you type “site:” and then a website after a search term, Google will search for your term(s) in only the site dictated. For example, the following search will search Oxford University’s Website for the term “prospectus.”

5. Search for A Specific File Type

   
   As I am sure you are aware, there are many files hosted on the internet besides the standard html websites. Therefore, searching for a specific type of file could make your search a lot easier. For example, if you were looking for a PDF version of the iPhone manual, you could use the following search, which would produce more accurate (and less) results.
   Here the “filetype:” tool is making Google search the web for PDF files only, therefore eliminating any pages that we didn’t want to see.

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