This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Learn how to calculate cumulative averages in Excel with manual and dynamic methods. Master advanced functions like SCAN, LET, and MAP ...

Have you ever found yourself wrestling with Excel formulas, trying to calculate moving averages or rolling totals, only to end up frustrated by the constant need for manual adjustments? You’re not ...

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.

Averaging values in an Excel sheet is easy. But perhaps you want to ignore zeros or include multiple sheets. Knowing how each averaging function works is the key to choosing the right one.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

Excel 2013 provides the DATE and XIRR functions, which derive the final annual interest rate from a series of payments on known dates.

There's more to Excel's Subtotal feature than you might realize. You can add multiple subtotaling functions to the same row, and you can add multiple rows. You probably know that Excel’s Subtotal ...