And some recommended courses
https://stepik.org/course/Data-Structures-579
https://stepik.org/course/Linear-Algebra-Problems-and-Methods-79
PS
Stepik also allows teachers create their own courses.
Stepic.org – yet another learning platform
And some recommended courses
https://stepik.org/course/Data-Structures-579
https://stepik.org/course/Linear-Algebra-Problems-and-Methods-79
PS
Stepik also allows teachers create their own courses.