Painless: exponential operator

Is there an exponential operator in painless? I see that both ** and ^ don't work.

Also, is there a good collection of mathematical functions I can use with painless when I need to do non-trivial computations?

Painless is essentially java syntax. The java Math library is available; I would start there.

Wonderful! Thanks. the Math library from Java has pretty much everything I need :grinning:

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