I also recommend Phil Moriarty's numberphile video about Tau, where he covers the key point about how Tau is better for education, regardless of how it is used

I also recommend Phil Moriarty's numberphile video about Tau, where he covers the key point about how Tau is better for education, regardless of how it is used by everybody else in "regular use". https://www.youtube.com/watch?v=83ofi_L6eAo https://www.youtube.com/watch?v=83ofi_L6eAo Of course, there is always Vi Hart's absolutely amazing discussion of the subject: https://www.youtube.com/watch?v=jG7vhMMXagQ https://www.youtube.com/watch?v=jG7vhMMXagQ