Free Carrier. In international commerce, an agreement between a seller and a buyer indicating that the seller has fulfilled his/her obligation to deliver a good when he/she has transferred it to the port, airport, or other place from which it will be transported.
Definition of UNIT FRACTION. : a fraction whose numerator is unity and whose denominator is an integer.
In mathematics, a complex square matrix U is unitary if its conjugate transpose U â is also its inverse â that is, if. where I is the identity matrix. In physics, especially in quantum mechanics, the Hermitian conjugate of a matrix is denoted by a dagger (â ) and the equation above becomes. The real analogue of a unitary matrix is an orthogonal matrix.