Numeric.Units.Dimensional
data Dimensional v d a
data DUnit
data DQuantity
type Unit
type Quantity
data Dim l m t i th n j
type DOne
type DLength
type DMass
type DTime
type DElectricCurrent
type DAmountOfSubstance
type DLuminousIntensity
type Dimensionless
type Length
type Mass
type Time
type ElectricCurrent
type AmountOfSubstance
type LuminousIntensity
class Mul d d' d''
class Div d d' d''
class Pow d x d'
class Root d x d'