ugly, deformed, noisy, blurry, distorted, out of focus, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers, nudity, nude, The mathematics professor in the illustration does not have long hair or thick eyebrows. His beard is neatly trimmed, and his clothing is not casual. The classroom environment is vibrant, with soft lighting and subtle shadows. The professor's expression is enthusiastic, and his gestures convey passion for mathematics. Pixar animation style.
