On Tuesday, October 1, 2013 6:18:03 PM UTC-6, Ron Rosenfeld wrote:

it now evaluates correctly. I see no obvious difference between the two workbooks. Why do I need to add "TEXT" to the formula in workbook "B" to get it to evaluate correctly?...TIA, Ron



In workbook B you have selected to enable the Lotus options. Where this is located depends on your version.



In Excel 2007+, they are under the Office Button / Excel Options / Advanced



In earlier versions, explore the Tools/Options drop down menu.

Bingo!..Thanks Ron