How do I raise a number to a power in Elixir?

Question

How can I calculate a number with an exponent in Elixir?

For example, 2³ would return 8.

Answer 1

Use the Erlang :math module

:math.pow(2,3) #=> 8.0 

If you want an integer:

:math.pow(2,3) |> round #=> 8