OpenAI released GPT-5.4 in ChatGPT (as GPT-5.4 Thinking), the API, and Codex, calling it its most capable and efficient ...

The ChatGPT Thinking version features a new interaction style, where the model first displays an upfront plan of its reasoning process.

In a world where anyone with the means can walk into any one of Chevrolet’s nearly 2,900 U.S. dealerships and purchase 1,250 hp, it’s only reasonable we reconsider the question as to whether there’s ...

The big headlines on this release are efficiency, with OpenAI reporting that GPT-5.4 uses far fewer tokens (47% fewer on some tasks) than its predecessors).

Prevent broken formulas using tables, validation rules, separate worksheets, named variables, and the power of LAMBDA.

To fix the Excel error, There's a problem with this formula in Windows, check for unmatched or missing parentheses & ensure the function syntax is correct dirst.

Dark Mode has its drawbacks. For example, the worksheet grid usually remains white. You can choose Black under Office Theme, which activates a Dark Mode toggle in the View tab of your Excel ribbon.

WACC is important for both investors and companies ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in ...