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

Before LAMBDA was introduced to Excel, you'd need to know how to use VBA or macros to create your own function. However, today, Excel's LAMBDA tool lets you do this using familiar Excel language ...

Single-variable equations are among the easiest to construct when using this tool. Use the Equation Editor to insert an equation into any cell in your Excel worksheet.

How to Make a Chart on Excel With More Than One Variable. One of the more useful features in Microsoft Excel is Insert Charts. You can create a wide variety of charts: bar, line, pie and others ...