Haskell: Number related type classes

Following table summarize the type classes for number types.

Class	Parent classes	Description
Num	No parent class	Basic numeric class, provides functionality like (+), (*), abs, signum, fromInteger, (negate | (-)) etc.,
Real	Num, Ord	Convert values to real type
Integral	Real, Enum	Support operations like integer division, modulus etc.,
Fractional	Num	Fractional numbers, supporting real division.
Floating	Fractional	Trigonometric and hyperbolic functions and related functions.

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