MrExcel on MSN

Excel Secrets: YTD Calculation Made Simple with Pivot Tables

Learn how to quickly calculate Year-to-Date (YTD) values in Excel using Pivot Tables — a simple trick that saves time and ...
MrExcel on MSN

Excel Shortcut: How to Use the Σ Symbol in Your Sheets

Learn how to type or insert the sum (Σ) symbol in Excel to make your spreadsheets cleaner and easier to read. Perfect for ...
IEEE

Frequency Estimation for Energy Rate-Based Forced Oscillation Source Identification Using Its Properties on Modes Decomposed by Matrix Pencil Function

Abstract: Forced oscillation (FO) source identification prevents the impending threat to power system security. This article proposes a methodology to accurately estimate FO frequency for source ...
IEEE

A Novel Approach to Internal Rate of Return (IRR) Calculation Using Both NFV and NPV

Abstract: State-of-the-art (SOTA) methods for computing the Internal Rate of Return (IRR), including Newton-Raphson, Brent’s method and widely used libraries and applications, such as numpy_financial, ...