Just a caveat: I assume you realize that Excel's numbers are limited to 15
digits of precision, and if you need 16, you entering them as text (with a
leading apostrophe or by preformatting the cells as text).

On Wed, 28 Sep 2005 08:46:03 -0700, Carlos
wrote:

In excel I need to take the last digit of a 16 digit number from one column
and then write it down into another column with a letter in front of it