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about dan

Dan Bach hi, Dan Bach here, lifelong math nut, "dansmath" on the internet. I'm a retired college math teacher, and current mathematical artist working in 3d geometrics. in my spare moments I watch a lot of NBA basketball and go on distance runs, but not at the same time. my students convinced me that my calculus pictures could be called art. my work gets viewers to look, think, notice, and wonder. And hopefully say, 'that's cool! that's math?'

- interactive 3d versions of dansmathart can be found at:
- animated gifs with dansmath content are living at:
- my main website with lessons, podcast, and other features is: