Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

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 ...

Imagine you’re tasked with analyzing two datasets—one containing a list of products and another with customer segments. How do you uncover every possible pairing to identify untapped opportunities?

The introduction of dynamic arrays triggered the biggest change to how we work with Microsoft Excel formulas in years, if not decades. They allow a single formula to spill multiple results into ...

If you get the You can’t change part of an array error in Microsoft Excel, this post will help you fix the error. An array is essentially a collection of items ...