Excel gives the answer 10. If you have a mathematical background, you’ll know why Excel gives a different answer to such a simple calculation — and why, technically, Excel is right. If you don’t have ...

Over the past six months, we’ve learned how AI can be used for many tasks: creating art, powering a sophisticated chatbot, and so on. But what if you could use it to actually assist you in your job?

Tools like Excel and Google Sheets are ubiquitous these days, and learning how to use them more effectively will quickly ...

What if you could write Excel formulas that practically think for themselves—automatically adjusting to changes in your data without endless tweaking? With the introduction of the dot operator and the ...

REDUCE allows you to iterate through your data, building your result step-by-step, in the same way a loop operates in a ...

The open source community has created many open source Java projects, which range from charting software to game frameworks to word processors. In this post, I introduce an open source library project ...

Data lookups have always been a fundamental aspect of Microsoft Excel, allowing users to retrieve and match information across datasets. However, traditional methods like VLOOKUP and XLOOKUP often ...