How to Use Tab Names as Variables in Excel. When you type data into an Excel workbook, the sheet's name appears in a tab at the bottom of the application window.

Microsoft Excel can generate trend lines based on data you provide, and in doing do, calculates the equation of the trend line. This equation can be accessed using Excel's built-in Visual Basic tools.

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