Learn What GROUPBY Can Really Do in Excel : From Smart Sorting to Percent of Totals

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.

I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.
Investopedia

How Your Net Worth Compares to Others With the Same Income—You Might Be Surprised

Lucy Lazarony is an experienced personal finance journalist and writer who got her start in 1998 writing about financial topics. She writes accessible and easy-to-understand articles about credit, ...
IEEE

Interpretable Deep Learning for Nonlinear System Identification Using Frequency Response Functions With Ensemble Uncertainty Quantification

Abstract: Deep learning methods contain powerful tools for modelling nonlinear dynamic systems. However, whilst these models are useful for predicting outputs, they tend to be described by complicated ...