Scrambling jets is fast, loud, and expensive. This piece shows the math behind a scramble: fighter hours set the floor, ...

The SUMIFS function works in a similar way with text as with numbers, but there are two key differences. First, text in Excel ...

The figures are formatted in USD by default, but it’s easy to switch. Just select the cells (hold the Ctrl key to grab multiple at once) and expand the Number group on the Home tab. From there, choose ...

Robots cooking and cleaning in your house. Building cars and even bigger machines in factories. Serving you burgers at a 1950s-style diner. That's the futuristic vision Elon Musk believes will one day ...

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 ...

When it comes to calculating interest rates for investments and bonds, the Yield and IRR formulas in Excel can quickly become your friends. Whether you're considering buying a bond or investing in a ...

Of your many responsibilities as a small business owner, ensuring that your employees’ pay is calculated accurately ranks near the top of the list. That includes withholding the correct amounts for ...

Have you ever stared at a spreadsheet, struggling to make sense of percentage calculations that just don’t seem to add up? Whether it’s a confusing formula, a misstep with zero values, or an ...

President Donald Trump's new tariffs vary greatly between countries. The Office of the US Trade Representative explained the pretty simple formula used. The math puts a heavy emphasis on trade ...

It's almost that time of year; tax season is nearly here. But with all the forms and applications you need to fill out, it's easy to get confused. No matter if it's your first time or you've been ...

Learn about gross, operating, and net profit margins, how each is calculated, and how businesses and investors can use them to analyze a company’s profitability.