ElectricalMath on Instagram: "A quick proof that the sum of the first n natural numbers is n(n+1)/2. #math #proof"

This pivot table hack separates the beginners from the pros 🤝 And if you want 2026 to be your most confident year in Excel yet… I’ve got something big for you. I’m hosting a brand-new FREE Excel class to help you level up before the new year hits and it’s loaded with the skills that actually move the needle at work: ⭐ Pivot Tables that turn messy data into clarity ⭐ Automation tricks that cut hours of boring work ⭐ Data-cleaning shortcuts that make your spreadsheets shine ⭐ And so much more to