Would you like to learn and/or reinforce concepts in arithmetic and algebra, acquiring tools to tackle future mathematics courses? Do you want to understand how certain mathematical relationships work and reflect on current situations? If your answer is yes, then this course is for you.
Would you like to review the essential concepts and methods of arithmetic, algebra, and calculus, which form the foundation of university-level mathematics? Do you want to prepare for the study of disciplines that require a strong command of mathematics, such as economics, engineering, statistics, or physics? If your answer is yes, then this course is for you.
Would you like to learn how to observe the sky and discover the secrets of the stars? If so, I recommend that you enroll in the online course "Astronomía Virtual 2: En el cielo las estrellas" from the National University of Córdoba, on the edX platform.