Calculator

When the app is opened for the first time, there is a system of inserting passports in which you can insert more than 4 passports. After inserting a passport once, that passport will be removed from the local storage. Whenever you open the app for the second time, a calculator will be directly visible. You can do any calculation in this calculator. If you want to see the photo or video that you have hidden, then after inserting the passport that you have hidden, a button like = will appear, click on it. After that, whatever photo or video is hidden, it will be visible.