Documents or programs for FDTD and FDFD methods?

Hi all:
Does any one have any thing or programs that indicates the difference between FDTD(Finite difference Time Domain) and FDFD (Finite difference Frequency Domain)
methods?
Regarsd

well i hav few material related to FDFD and FDTD, of my elder brother. if it could give u any help....

well i hav few material related to FDFD and FDTD, of my elder brother. if it could give u any help....

well i hav few material related to FDFD and FDTD, of my elder brother. if it could give u any help....

this is helpful

hi does any one have solution manual of numerical methods in electrodynamics sediku