Because the maximum change allowed (1.001) is larger than the result of each iteration (add 1), the calculation stops after only one iteration.A specific application of using Goal Seek for iterative calculations in. Press
In fact, the setting is ignored completely if any of the following occur before you open the workbook: Instead, it uses the settings in the Excel Options dialog box to control how many times the circular reference is repeated before it is considered done.It appears that the setting of the Enable Iterative Calculation check box is stored as part of a workbook, but it is not always paid attention to when the workbook is later loaded into Excel. (Display the Excel Options dialog box and then click Formulas at the left side of the dialog box.) If you select the Enable Iterative Calculation check box and then enter a circular reference, Excel doesn't protest. Excel allows you to include circular references in a worksheet, but it can get a bit picky about them.For the most part, Excel is very lenient about circular references if you have the Enable Iterative Calculation control turned on. There are some situations in which circular references are desirable, however. The first is the number of.Normally, circular references represent a mistake in a formula.
For any other workbook loaded during the same session, the saved setting of the Enable Iterative Calculation check box is ignored.In addition, if you have a Personal workbook defined on your system, then the setting of the Enable Iterative Calculation check box within that file is always used as the default. That setting becomes the "default" for the current session with Excel. You change the Iteration check box while the default workbook is displayed.What Excel does is to examine the Enable Iterative Calculation check box setting for whatever workbook you first open.
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