Need a Running Total for Just One Chart? Power BI's Visual Calculations Skip the Extra Measure

Ever needed a running total or a moving average for just one chart, and ended up adding a new measure to your whole semantic model just to get it a measure nobody else will ever use again? Power BI's Visual Calculations let you write that logic directly inside the chart itself, with no extra measure and no impact on the rest of your model. Here's what that looks like with a real example.