In the video, a person is seen using a calculator app on their phone. The phone is placed on a tiled floor, and the person's hand is visible as they press the buttons on the calculator app. The app displays the number 695, which the person changes by pressing the buttons. The person's hand movements are deliberate and precise as they input the numbers. The video provides a clear view of the calculator app's interface, including the numbers and buttons. The person's hand is steady, and their movements are smooth, indicating familiarity with the app. The tiled floor provides a contrasting background to the phone, making the calculator app stand out. Overall, the video showcases the use of a calculator app on a smartphone, highlighting the ease of use and functionality of the app.