Learn why the Excel AGGREGATE function fails with arrays and how to fix value errors using helper columns or dynamic LAMBDA and BYROW formulas.

Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

Excel formulas are getting scary good.

On a weekday morning, before work started, I asked ChatGPT to "create a SUMIFS formula to aggregate sales based on multiple conditions." It was for a monthly summary report to be presented at a 10:00 ...

"Can't you do this calculation with a function?" Have you ever frozen up when asked that? VLOOKUP, IF—you hear the names, but you can't write them yourself. But it's okay now. We live in an era where ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

In today’s competitive construction environment, time and accuracy matter more than ever. For quantity surveyors (QS), spreadsheets remain one of the most accessible, flexible, and cost-effective ...

Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...

Tired of struggling with pivot tables every time you need to summarize your data in Excel? You’re in luck! Excel’s new GROUPBY and PIVOTBY functions are here to make your life easier. These powerful ...