Boolean (also called booleo) is a type of math that is used to determine whether something is true or false. It uses two values, 1 (which means true) and 0 (which means false). Boolean logic is used in computers to help them make decisions and solve problems. For example, if you wanted your computer to know if it was raining outside, you could give it a boolean statement: "If it is raining then the answer is 1, otherwise the answer is 0." That way the computer can easily figure out if it is raining or not!