libghc-numbers-dev binary package in Ubuntu Mantic armhf

 It contains instances of the numerical classes for a variety of
 different numbers: (computable) real numbers, arbitrary precision fixed
 numbers, arbitrary precision floating point numbers, differentiable
 numbers, symbolic numbers, natural numbers, interval arithmetic.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.

Source package