It was definitely cool - he had us writing python functions to estimate the area under a curve (and then visualize it), and other things I don't quite remember at this moment. Once he made us define math functions just based on there being a 0, and a successor function, which happens to be what I'm doing in a graduate Math Logic course at my university.
It's sad to see educators like this get pushed out of their field. I had some incredible teachers as well, but also some awful ones. There needs to be greater competitive components added to the education system, such as statistically significant pupil success in education and career outcomes.
