In the video, a person is writing on a piece of paper with a white pen. The person is writing a mathematical equation. The equation appears to be a complex one, involving variables and numbers. The person is writing in a neat and organized manner, carefully placing each number and variable in its correct place. The paper is white, and the pen is white, making the writing stand out clearly. The person's hand is steady, and they appear to be focused on the task at hand. The video does not show any other objects or people, and the background is not visible. The video is shot from a close-up angle, focusing solely on the person's hand and the paper.