The video shows a person's hand holding a green marker and writing on a piece of paper. The person is writing a mathematical equation, and the camera angle is focused on the hand and the paper. The person's hand is steady, and the writing is neat and legible. The paper is white, and the marker is a vibrant green color. The video is shot in a well-lit room, and the background is blurred, making it difficult to discern any additional details.