In the video, a person is seen writing on a piece of paper with a black marker. The person is writing a mathematical equation that involves logarithms. The equation appears to be a complex one, with multiple variables and logarithms. The person is writing in a clear and legible manner, and the camera focuses on the paper and the person's hand as they write. The background is blurred, but it appears to be a desk or table. The person's hand is steady, and they seem to be experienced in writing mathematical equations. The video does not contain any audio, and there are no other objects or people visible in the frame.