recip -package:semirings

Reciprocal fraction.
reciprocal fraction
Forms the reciprocal of a Quantity, which has the reciprocal dimension.
>>> recip $ 47 *~ hertz
2.127659574468085e-2 s
Forms the reciprocal of a dimension.
Forms the reciprocal of a dynamic unit.
Reciprocal fraction.
The reciprocal of a dimension is defined as the result of dividing DOne by it, or of negating each of the base dimensions' exponents.
Forms the reciprocal of an ExactPi' type.