Boolean logic: The method used to evaluate conditions, returning either TRUE or FALSE. Logical functions: The primary logical ...

If you wish to count the same or duplicate values in a column only once in Excel or the count of occurances of duplicate values, read this article.

Learn how to how to increment numbers when value changes in another column. You can automatically fill increment cells in Excel such that the increment value across each cell remains constant.

To extract and sort non-adjacent arrays in your data, nest the CHOOSECOLS or CHOOSEROWS functions inside your SORT or SORTBY ...