Or, for the Knuth-included, surreal numbers: https://people.math.harvard.edu/~knill/teaching/mathe320_2015_fall/blog15/surreal1.pdf https://people.math.harvard.

Or, for the Knuth-included, surreal numbers: https://people.math.harvard.edu/~knill/teaching/mathe320_2015_fall/blog15/surreal1.pdf https://people.math.harvard.edu/~knill/teaching/mathe320_201... (Seriously though, learn to love the minefield. ~~~~Another physicist)