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 ...

Macros are powerful, but they don't work on the web or mobile. I’ve switched to the native REDUCE function for my complex ...

Q. Is it possible to sort a column in Excel using formulas rather than the Data tab’s Sort tool, so the sort process is performed automatically as I update my data? A. Excel has announced a new ...

To check if a value exists in an array, we can loop through its elements. However there is another solution! You can use the INDEX () function, native to Excel and in ...

Create robust, backward-compatible Excel workbooks by leveraging the structural power of the ROWS function.