Bookkeepers, project managers, HR departments and more use the Excel Date & Time functions WEEKNUM, ISOWEEKNUM, WORKDAY, WORKDAY.INTL to calculate time. Here's how.

Excel percentage formulas can help with many everyday applications. We'll walk through several examples, including turning fractions to percentages, and calculating percentage of total, increase ...

Learn about the weighted average cost of capital (WACC) formula in Excel and use it to estimate the average cost of raising funds through debt and equity.

How to Calculate Variance in Excel To calculate variance in Excel, you will need to have your data set already entered into the software. Once you have your data, you can choose your formula based ...