I have seen this link and yet gave a couple of questions I have not been able to figure out. It is an auto mileage tracking app. I have added the 2 vehicles in a setup screen already, and the data I wish to use to populate the following is already in...

I am building a Mileage app to track miles per gallon. It’s a very simple app, and I am using a date column, a starting and ending miles column, gallons used, etc. I want the value of the previous dates ending mileage to populate the new date’s ‘star...