Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I ...

While I'll always argue that SUM is my favorite and most-used Excel formula, there are plenty of other powerful functions included in the software. These features go far past using Excel as a digital ...

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.

The lookup function in Excel can save you a lot of time and effort, but only if you actually know how to use its many forms and alterations.

Learn how to perform Excel multiple column lookups with ease using XLOOKUP, FILTER, SUMPRODUCT, and Boolean logic techniques.

SUMPRODUCT is a legacy function in Excel that uses Boolean logic for calculations. While it can be adapted for multiple column lookups, it is not the most efficient or practical option in modern ...

We show you how to calculate a weighted average in Excel using SUMPRODUCT and SUM functions, providing step-by-step instructions, practical examples, and common use cases.

First, we’ll dive into the approach of summing matches using the SUMPRODUCT with VLOOKUP function. Then, we’ll introduce the practical applications of using the FILTER function to sum all matches.

Here are the 17 most useful accounting functions in Microsoft Excel to make financial data monitoring and reporting easier and faster.

In Excel, there are two ways of calculating the weighted average with percentages: using the SUM function and using the SUMPRODUCT function. Let us have a look at these 2 methods in detail.

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions.