You can create a PivotTable in Excel from an external data source, a table in your worksheet, or a pre-built data model. To ...

Excel's VALUE function has only one argument: where a is the value stored as text that you want to convert into a number.

I don’t use Microsoft Excel all that often, so it remains a bit of a mystery to me. I can enter text and create graphs and that’s basically it. That’s why I’ve set myself a goal to learn one new Excel ...

Learn how DROP, REDUCE, LAMBDA, and STACK make Excel arrays update automatically, split text, and stack filtered results ...

Think of AI as a contract worker with no long-term memory: each assignment begins with a blank slate. It won’t remember past ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

Critical analyses of AI usually adopt a stance of defensive humanism. Instead, Nan Da interrogates its mode of reasoning. How ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. Stella Osoba is the Senior Editor of ...

(11/4/25) The energy price index fell 3.7% in October, driven by a 5.1% decline in crude oil prices, partially offset by a 7.5% rise in U.S. natural gas prices. The non-energy price index changed ...