The video shows a person writing on a piece of paper. The person is using a black marker to write a series of numbers and mathematical equations. The paper is yellow and the person is writing in black ink. The person's hand is visible as they write, and they appear to be right-handed. The video is shot from a close-up angle, focusing on the person's hand and the paper. The person writes the numbers and equations in a neat and orderly fashion, with each number and equation clearly visible. The video does not provide any audio or additional context about the content of the writing.