Boolean logical operators in Excel formulas make searching easier, and you can apply the same methods in Internet or database searches.

A Boolean expression combines characteristics with logical or, and, and negation operators to produce a binary (true or false) evaluation of the expression. Characteristic Boolean expressions, ...

The Google Doodle highlights some of Boole’s most important work — Boolean logic, and Boolean operators. Boole died in 1864, but his work was key to the search engines that power much of the ...