Functions like FILTER, SORTBY, UNIQUE, XLOOKUP, and VSTACK transform static grids into real-time data systems.

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 ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...

Microsoft Excel’s dynamic array function XLOOKUP() might completely replace VLOOKUP() and HLOOKUP(). Microsoft Excel’s lookup functions are powerful but often misunderstood because they have a few ...

You've mastered the basics of variables and made it half way through our course, but are you up to the challenge of arrays and logic statements? Of course you are. Let's get started! These lessons ...

Use the RANDARRAY() dynamic array function to return random names or other text in Microsoft Excel. The recent article How to generate random letters in Excel shows you how to generate random letters.

The object-oriented paradigm popularized by languages including Java and C++ has slowly given way to a functional programming approach that is advocated by popular Python libraries and JavaScript ...

In the first part of this series, we covered the basics of pointers in C, and went on to more complex arrangements and pointer arithmetic in the second part. Both times, we focused solely on pointers ...