A mathematical equation is displayed on a whiteboard with a brown border. The equation is written in a formal mathematical notation and includes various symbols such as 'Functional Properties', 'Rc', 'RC', 'DC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', 'JRC', '