These functions can be used in all the same places that other GetDP expressions can be used, e.g. in `Function` definitions, `Formulation` terms, inside the `Evaluate` operation in a `Resolution`, etc.
## SendToServer
## SendToServer (GetDP only)
See the GetDP [documentation](http://getdp.info/doc/texinfo/getdp.html#Types-for-PostOperation) for more information.
