Master R-Squared calculation in Excel. Get formula tips, expert advice, and avoid errors for precise financial analysis.

(NEXSTAR) – In 2025, nearly 300,000 Americans used a new electronic system to file their taxes directly with the IRS for free. In 2026, that’s no longer an option. IRS Direct File launched as a pilot ...

MANILA, Philippines — The Department of Finance (DOF) has issued the implementing rules and regulations (IRR) for Republic Act 12253, also known as the Enhanced Fiscal Regime for Large-Scale Metallic ...

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The Justice Department released a portion of the Jeffrey Epstein files to meet the Friday deadline established in a congressional bill with a series of downloadable files related to the convicted sex ...

Graham Kates is an investigative reporter covering criminal justice, privacy issues and information security for CBS News Digital. Contact Graham at KatesG@cbsnews.com or grahamkates@protonmail.com ...

Have you ever sent an Excel file to a colleague, only to realize they couldn’t open it because of compatibility issues? Or perhaps you’ve spent hours perfecting a spreadsheet, only to see its ...

Funds formerly off limits to ordinary investors are being introduced to 401(k)s. The private equity industry says these funds can help savers generate higher returns. The industry's methods for ...

Anthropic has begun rolling out a small but significant update to Claude. Starting today you can use the chatbot to create and edit Excel spreadsheets, documents, PowerPoint slide decks and PDFs. In ...

Microsoft has announced that it will start disabling external workbook links to blocked file types by default between October 2025 and July 2026. After the rollout ...

Copilot on Windows can now retrieve files from your PC’s hard drive. I've tested the AI-driven search feature and show you how to benefit. I've been testing PC and mobile software for more than 20 ...