Rigorous, university-level courses taught through short interactive lessons and practice questions. Explore STEM, humanities and social sciences on Tryals — free to start. The lesson content is also open-source on GitHub.
A rigorous physics course spanning single- and multivariable calculus, linear algebra, chemistry, computer science, mechanics,…
10 unitsA rigorous mathematics course covering mathematical language and reasoning, arithmetic and number theory, matrices and vectors,…
10 unitsA rigorous computer-science course from the ground up: how computers represent information, programming, data structures, algor…
10 units