The formula you entered contains an error.Try one of the following: Make sure you've included all parentheses and required ...

The formula you entered contains an error.Try one of the following: • Make sure you've included all parentheses and required arguments.• To get assistance with using a function, click Function (Insert menu).• If you include a reference to another sheet or workbook, verify that the reference is correct.• If you are not trying to enter a formula, avoid using an equal sign (=) or minus sign (-), or precede it with a single quotation mark ( ' ).