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 ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.

Peter Gratton, Ph.D., is a New Orleans-based editor and professor with over 20 years of experience in investing, economics, and public policy. Peter began covering markets at Multex (Reuters) and has ...

If Excel is not recognizing functions after a reboot, here is how you can fix the issue. If your functions are not working after an Excel restart or a computer restart, you can try these solutions to ...

We are thrilled to announce that User defined functions (UDFs) in Power Apps have reached general availability! They are now ready for your production workloads. Thank you to everyone who provided ...

I’m pleased to announce updates that will make Power Fx formula reuse and maintenance easier than ever: Named formulas depend on being declarative, something the system can defer and recalc based on ...

Abstract: In the last five years, the availability of powerful DSP and communications design software, and the emergence of relatively affordable devices that receive and digitize RF signals, has ...