On 2016-07-14 15:24, David Wilson wrote:

solve x^y = x + y = 2

Can you blame it? gosper.org/x^y=x+y=2.png (reciprocated) is a pretty hairy root system. LambertW seems to fall short. But what if we could solve Kepler's M = E - ε sin E? (Which I expected to arise in our discussion of the average position of the Earth.) --rwg