You were designed to perform certain functions, at our command.

Formally, it is a fixed point of a certain function.

Alien though these invaders may have been, certain functions do not change.

An apparatus is an object which can be used for a certain function.

No case was made that certain functions are no longer needed.

The character is given by the trace of certain functions on G.

Each part has a certain function or research focus.

These exemptions may be limited to certain functions or income.

Having said that, there are certain functions which need to be performed in some way for any President.

This did not cause provisions within the law to change but only shifted certain functions from one department to another.