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 ...

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

Learn how to calculate moving averages in Excel using dynamic arrays. Simplify rolling totals with custom functions for efficient analysis.

Find the IRR in Excel by employing the IRR function, then use it as the discount rate that causes NPV to equal zero. Use What-If analysis, a built-in calculator in Excel, to solve for the discount ...