Select Cells You can select cells that meet a certain condition with the Select Cells window. Enter the value contained in a cell in the Value text box, then click on the Select command. Graphic Groundwater will select all cells that hold that value plus or minus the value in the Tolerance text box. If you have a single cell selected prior to executing the Select Cells command, the Value text box will contain the value of the selected cell and the Select command will have the focus. Pressing the Enter key will immediately select all other cells sharing the value of the cell you selected initially. The Select Cells window greatly assists in performing a sensitivity analysis of a model.