Calculate something. Copy the answer. Open Notes. Paste it. Go back to Calculator. Repeat. It sounds like a tiny problem until you realize how many times you do it every day. I work in software and constantly need quick calculations for expenses, estimates, percentages, API limits, budgets, and random numbers. My notes ended up full of calculations that made no sense a week later. So I built NoteCalc. It's basically a notepad where every line can be a calculation. Instead of typin...