Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know.

Microsoft's spreadsheet program can do way more than you might imagine. These are the hacks and tricks you need to know. Our team tests, rates, and reviews more than 1,500 products each year to help ...

You can now use Microsoft Edit to create and edit text files directly in Command Prompt or PowerShell without switching apps, ...

Here are 10 PowerShell commands to use in 2026. The Get-Help cmdlet displays information about PowerShell concepts and ...

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...

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

File Form 8606 every year you contribute after-tax amounts to a traditional IRA Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Wanna see a trick? Give us any topic and we can tie it back to the economy. At Planet Money, we explore the forces that shape our lives and bring you along for the ride. Don't just understand the ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...

Understanding different types of angles and that angles in a triangle sum to 180° can be helpful when classifying a triangle. Recognising line symmetry and rotational symmetry will also help. Look for ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...