Dara Ó Briain: School of Hard Sums is a British comedy game show about the subject of mathematics and it is based on the Japanese show Comaneci University Mathematics. The programme is broadcast on Dave and is presented by Dara Ó Briain and starred Marcus du Sautoy. Each episode was themed and Ó Briain, along with a guest or guests, attempted to solve various conundrums set by du Sautoy. At the end of each episode, Ó Briain sets homework questions for viewers; the answers can be checked on the show's website..