You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

ABSTRACT: The theory of networks provides a mathematical basis for building and modeling the chemical structures and complex networks. Topological indices (TIs) are employed in several physicochemical ...

President-elect Donald Trump wants to buy the territory from Denmark, which says it’s not for sale. DealBook asked experts how they’d approach the deal. By Sarah Kessler Donald Trump, who has long ...

Cool stuff: A British startup has developed a watch geared at NASA super geeks (you know who you are). The timepiece takes the concept of the calculator watch, which was highly popular in the 1980s, ...

Calculating a weighted average in Excel is essential when you need to account for varying degrees of importance among data points. Unlike a simple average calculation that treats all values equally, a ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

We calculate compound interest based on frequency. This frequency is the compound frequency, which refers to the number of times an interest is calculated and added to the principal amount within the ...

Ever found yourself puzzled by how to calculate your monthly loan repayments accurately? You’re not alone. Many people struggle with understanding the intricacies of loan amortization. But what if I ...