Microsoft Excel's form controls can turn the Boolean options of a true-false choice into a clickable data-entry option. If you create spreadsheets to record business information about sales, personnel ...

You can use ISERROR to test whether a value or the results of a formula are an error. It will return TRUE if it detects an ...

The OR function is a logical function in Microsoft Excel, and its purpose is to determine if any condition you test is True. The formula for the OR function is OR (logical1, [logical2],..). The Syntax ...

Excel 2007's new table feature eliminates the need to copy formulas; once you define a data range as a table, Excel will do it for you! Tables are new to Excel 2007 ...