# openfermion.transforms.normal_ordered

Compute and return the normal ordered form of a FermionOperator,

### Used in the notebooks

operator an instance of the FermionOperator, BosonOperator, QuadOperator, or InteractionOperator classes. hbar (float): the value of hbar used in the definition of the commutator [q_i, p_j] = i hbar delta_ij. By default hbar=1. This argument only applies when normal ordering QuadOperators.