For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

There are two ways to fix this cause of the #SPILL! error. First, select the entire spill range (or at least the cell or ...

One of the most powerful features of Excel is the array—a formula designed to act simultaneously on sets of two or more values in order to calculate other values. Yet, because arrays appear to be ...