Elixir and Calculus in a ring of integer

Questions / Help
1

I am looking for a mathematical library to perform some elementary calculus, namely, polynomials in a ring of integers, say Z[X]/nZ. Nothing huge. Just to get the class in Z/nZ, say mod.(-1,3) == 2, I need to do something like:

mod = fn x,n -> rem(rem(x,n)+n,n) end

Is there something?

2

Found it! Integer.mod(-1,3) == 2 !

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