https://www.udacity.com/course/differential-equations-in-action--cs222 https://www.udacity.com/course/differential-equations-in-act... I'm sure there are other

https://www.udacity.com/course/differential-equations-in-action--cs222 https://www.udacity.com/course/differential-equations-in-act... I'm sure there are others, but this is a pretty good introduction. It focuses quite a bit on numerical solutions (using python programs that are automatically graded.)