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 ...

The A1C test measures blood sugar management over 2 or 3 months. To estimate an A1C, clinicians may use an estimated average glucose (eAG) to help people with diabetes better understand how this multi ...

Calculate annual % change by dividing start by end value, raising to inverse years, minus one, times 100. Ex: a drop from $15M to $10M over 2 years is a 18.4% average annual decline. This calculation ...

To calculate a price-weighted average, sum the stock prices and divide by the number of stocks. This average reflects changes in higher-priced stocks more than lower-priced ones. Use price-weighted ...

Finding a circular reference in Excel is essential when troubleshooting complex spreadsheets. Circular references occur when a formula refers back to its own cell, either directly or indirectly, which ...

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 ...

Q. I am trying to create a formula in our accounting system, but I keep getting errors. What can I do to get the formula to work? A. All Excel users know how powerful formulas are, but sometimes it ...

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 ...

Travelers Insurance, one of California’s largest home and auto insurers, is set to increase its rates by an average of 15%, the latest in a string of rate increases and policy limitations that major ...