Just when you thought you had Boolean logic in the bag, Excel 2013 introduced the new operator XOR, which means Exclusive OR. Think of it as a similar opposite of NOT: If one condition is true and ...

They are exact match search operators. This is an exact match search, not an “AND” boolean search. However, with an exact match search operator, you can force the search engines to return ...

NOT reverses the input. For a diagram of these actions, see Boolean gates. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction requires permission.

Google has quietly removed the Boolean + operator from its search options–and replaced it with expanded quotation mark functionality. For those who don’t use Boolean search operators ...

That’s because the Boolean operator OR does NOT really mean OR, which usually means AND NOT. It is NOT always easy to follow these logical constructions when they are written in words.