Excel's fill handle is fine for a few rows, but in a big dataset, it's an error waiting to happen. Why drag and drop when you can automate? The MAP function lets you ...

They may look harmless, but they're certainly capable of turning your spreadsheets into traffic jams.

The BYROW function is a powerful tool that applies a Lambda function to each row in your dataset. This function is particularly useful when you need to perform operations on a row-by-row basis. For ...