Excel can solve for unknown variables, either for a single cell with Goal Seek or multiple cells with Solver.

How to Use VBA to Access the Equation of a Trend Line on Microsoft Excel. Trend lines are a type of regression analysis, which is a way to study the relationships between variables.

Using What-If Analysis, you can visualize the effects of different variables, making it easier to assess risks and opportunities. In Excel, three primary tools are available for performing What-If ...