DaveC426913
Valued Senior Member
Well, the Mandelbrot Set, imaginary numbers, multidimensional, math, etc.What " things " work perfectly well with what ?
If you ask any Mathematician, they'll give you a list of a thousand constructs that have nothing to do with the physical world. That's mostly what mathematicians deal with.
https://en.wikipedia.org/wiki/Pure_mathematics
On the Importance of Pure Mathematics
http://thescipub.com/abstract/10.3844/jmssp.2014.421.422
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