Mathematics is a universal language – an essential tool for scientists, engineers, businesses, and even social scientists. The application of mathematics has laid the foundation of modern society and continues to push the frontiers of human progress. Mathematicians seek out patterns, and prove (or disprove) conjectures through proofs in order to advance the understanding of this science. Explore the following online math courses and lectures to help you better understand fundamental concepts, or to build on your existing knowledge base.