There are a few ways to see past calculations on an iPhone. The first way is to go to the “Settings” app and select “General.” From here, you can toggle on the “Show Past Calculations” option. The second way is to go to the “Calculator” app and select the “Past Calculations” option. This will show all of your past calculations in a list format. The third way is to go to the “History” tab in the “Settings” app and select the “Past History” option. This will show all of your past interactions with apps, including calculations that were made within those apps. ..