I have such a database at work, If i get around to it today i can give you the codes to make these calculations, allthough you can find them all over the web.
Look at the thread below to make customers appear on your form by entering their surname (or part of the SurName) in an unbound textfield for example, it might help you.
https://www.accessforums.net/program...tml#post132282
If you add line of code for FirstName, Zipcode, adress you can combine your search.
Its just copy/past stuff, no rocket sience
