"This," says Matthew Carpenter, "is my favorite exercise." I peer over his shoulder at his laptop screen to see the math problem the fifth grader is pondering. It's an inverse trigonometric function: ...

I'm an expert in software and work-related issues, and I have been contributing to PCMag since 2011. I launched the column Get Organized in 2012 and ran it through 2024, offering advice on how to ...