Fine-tune your searches using Boolean logic.
Search engines are great tools for finding information on the Internet.
At the most basic level, you type a word or phrase into the search engine, and you get a list of Web sites that contain those words or phrases. Unfortunately, the list of sites can be so long you may never find the one you really need. Understanding Boolean Logic Boolean logic is a symbolic logic system invented by French mathematician George Boole. In addition, the logical operations defined in Boolean algebra make modern binary digital computers possible. You can read more about Boole and his work in mathematics by clicking here .