How to Calculate Profit Margin (Without Losing Your Mind or Your Money)
Ever sold something and wondered, “Okay… I made money… but how much did I actually keep?” That, my friend, is where profit margin comes in. Profit margin tells you how …
How to Calculate Mode (And Why It’s the Coolest Math Term You’ll Learn Today)
You’ve probably heard of average, right? But did you know there’s more than one kind of average? Say hello to the mode — the most laid-back, people-loving stat of them …
How to Calculate Acceleration (Without Crashing Into Confusion)
Have you ever been in a car that suddenly zoomed forward and thought, “Whoa! That was fast!” What you felt in that moment was acceleration—a fancy physics word for how …
New TinySA Ultra+ 7.3 GHz Spectrum Analyzer Review: Is It Worth the Upgrade? [2025]
This brand new compact 7.3 GHz spectrum analyzer packs some serious capability into a handheld device, making it perfect for both field work and bench testing. The 4-inch touchscreen display …
How to Calculate Percentage Decrease (Without Breaking a Sweat)
Ever noticed that your favorite snack shrank from $5 to $4.25? Or maybe your phone battery dropped from 100% to 80% way too fast? If you’ve ever asked, “How much …