(Fully Optimized Reaction Space) The FORS method, first proposed by Ruedenberg and coworkers, is essentially equivalent to the CASSCF method, except for the implementation of the MCSCF.

The Federal Office of Road Safety, Commonwealth Department of Transport and Regional Development.

FORS is the Freight Operator Recognition Scheme. It is a scheme for road freight operators to join in London, which encourages and incentivises them to adopt best practice. It could potentially be a one-stop-shop for getting assistance and reducing the burden of administration on freight operators in London.

FOcal Reducer/low dispersion Spectrograph