Gemini’s response included a brief description of the “6371” number, which is the Earth’s radius in kilometers. For miles, I ...

Calculating age based on a birthday is a common task, whether for work, school, or personal records. Excel makes this easy with built-in formulas that can quickly determine a person’s age from their ...

Let’s talk about formatting shortcuts in Excel. Say you need to format several areas quickly. These six Excel hacks show how to do the job in a tenth of the time it would usually take. Shaun from ...

Many of us use Excel daily, and many users are wondering if is there a way to apply the Excel formula to the entire column. In today’s guide we’re going to show you the best ways to do that, so let’s ...

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 ...

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...

Are you wondering how to calculate z-score in Excel? If so, you’ve landed on the right page. In statistics, a z-score tells us how far a data point is from the mean. While Excel still doesn't have an ...

Standard deviation (SD) is a statistical measure that can help us understand the dispersion or spread of values within a set of data. By calculating the standard deviation, we can identify whether the ...