Adding Equation to Chart Trendline

There is an Excel file that teaches how to perform the Adding Equation to Chart Trendline operation.

Excel Format: Adding Equation to Chart Trendline

The equation and R-squared value of the trendline in the chart are displayed automatically. Additionally, linear, exponential, and polynomial trend equations are presented comparatively. Thus, the most suitable mathematical model for the data set can be selected. For this reason, it becomes a frequently consulted technique in statistics and engineering applications. Therefore, the relationship between chart and equation is visually made concrete.

Hope it is useful.