Strong rule: style --- 3D Pixar ---. 3D Pixar style. The professor stands in awe, arms wide open. Glowing magically on the chalkboard is the huge letter 'Д' and the Russian text: 'ДИСКРИМИНАНТ'. Magical sparkles float around the board.
Character appearance reference (MUST match exactly):
- Профессор Архимед: A friendly, energetic math professor in 3D Pixar style. He has messy white hair, round glasses, a neat beard, wearing a tweed jacket with elbow patches and a bright bow tie. Expressive face, warm smile, animated gestures.
