Once data is loaded into Excel, Copilot allows users to ask questions in natural language instead of building new formulas.

Learn how to calculate weighted averages using Excel for various financial metrics. Simplify complex calculations with our step-by-step guide for better investment decisions.

In this video, you’ll learn how to alphabetize a list in Excel using simple built-in sorting tools. We cover the correct way to sort data so rows stay aligned and your list remains accurate. Ideal for ...

The America’s Top 100 Charities list uses financial efficiency ratios you can apply to other, smaller charities, too. Plus, there are other resources for checking an organization before you give. By ...

Get started with Java streams, including how to create streams from Java collections, the mechanics of a stream pipeline, examples of functional programming with Java streams, and more. You can think ...

Anthropic is starting to train its models on new Claude chats. If you’re using the bot and don’t want your chats used as training data, here’s how to opt out. Anthropic is prepared to repurpose ...

Creating simple data classes in Java traditionally required substantial boilerplate code. Consider how we would represent Java’s mascots, Duke and Juggy: public class JavaMascot { private final String ...

On 8 September 2025, the European Commission adopted amendments to Annex I of Regulation (EU) 2021/821 (EU Dual-Use Regulation) and published a Delegated Regulation, updating the EU’s dual-use control ...

After two and a half years we have enough data to form a clearer picture about who is using AI, what they are using it for, what they think about it, and what it means for learning. What do students ...

Under three presidential administrations, officials in Washington have used export controls to hold back China’s access to advanced technology. By Meaghan Tobin Reporting from Taipei, Taiwan For years ...

Ari Peskoe is the Director of the Electricity Law Initiative at the Harvard Law School Environmental and Energy Law Program (EELP). EELP receives funding from philanthropic foundations that support ...