In Excel, what is the purpose of the "AND" function?

The purpose of the "AND" function in Excel is to create a logical test that requires all specified conditions to be true for the function to return a TRUE result. This function is particularly useful in scenarios where multiple criteria need to be evaluated collectively. For instance, if you are assessing whether a student has passed a course based on multiple exam scores, you can apply the "AND" function to determine if all scores meet or exceed the passing threshold.

When all conditions provided to the "AND" function are met, it outputs TRUE; if at least one condition is false, it returns FALSE. This allows for complex decision-making in data analysis and conditional formatting, enabling users to streamline their spreadsheets based on multiple criteria efficiently.

Other functions mentioned, such as summation, returning values based on conditions, or rounding numbers, serve different purposes and do not relate to the logical evaluation that the "AND" function provides.