Pavel Grinfeld (MathTheBeautiful) has a wonderful Linear Algebra course that is imo underwatched. He also has courses on Vector Calculus and Tensor Calculus. [1

Pavel Grinfeld (MathTheBeautiful) has a wonderful Linear Algebra course that is imo underwatched. He also has courses on Vector Calculus and Tensor Calculus. [1] Sandy Bultena has a great series on Euclid's elements with beautiful visualizations made from software she wrote [2] For learning Mandarin Chinese, Mandarin Corner is my favorite channel. [3] [1] https://www.youtube.com/channel/UCr22xikWUK2yUW4YxOKXclQ https://www.youtube.com/channel/UCr22xikWUK2yUW4YxOKXclQ [2] https://www.youtube.com/channel/UCnHh6XeLupJ5FHSKDh9eIMw/playlists https://www.youtube.com/channel/UCnHh6XeLupJ5FHSKDh9eIMw/pla... [3] https://www.youtube.com/channel/UC2fAiRQHRQT9aj9P_ijYeow https://www.youtube.com/channel/UC2fAiRQHRQT9aj9P_ijYeow