Whenever there is a negative under the radical sign, it comes out from underneath as i since the problem will contain a square root of -1. When simplifying these radical numbers in terms of i, follow the usual rules for simplifying radicals and treat the i with the rules for working with a variable. Examples:
The location of the Personal Macro Workbook is a little confusing, because older versions of Excel stored it in an XLSTART folder buried inside the Program Files folder. Even though you canât write any files to it, Excel 2007 and Excel 2010 also have XLSTART folders inside the Program Files directory.
The following macro closes the workbook without saving changes: To force a workbook to save changes, use the following code on a module sheet of that workbook: This subroutine checks to see if the file's Saved property is False. Open a new workbook. 2  Insert a new module sheet: 3  In Microsoft Excel 97 or Microsoft Excel 98, point to Macro on the Tools menu, and then click Visual Basic Editor. 4  In the Editor, click Module on the Insert menu.