Online Question and Answer platforms are great for students who need help in mathematics. With online Q&A platforms like Matchmaticians, students can get fast and accurate answers to their homework questions without having to wait for the next class or office hours. It also allows those with expertise in specific topics to share their knowledge and earn a reward. Apart from being convenient and rewarding, online Q&A platforms are also cost-efficient. It's also great for people who need help with a specific topic but don't have the resources to attend tutoring sessions.