I am very new at access and am learning as I go along. I am trying to make my current form average the total use with two other forms/tables total uses. I thought expression builder could help but I get #name error. Any suggestions.
Thanks

If you're getting #name error, you're not using the expression builder correctly.

If the data you want to average comes from multiple tables, you'll need to create a query that joins the tables on their common key(s) and use the query as the recordsource for the form.