+50 A mathematical function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
check this out : http://en.wikipedia.org/wiki/Function_(mathematics)
+50 A mathematical function is a relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.
check this out : http://en.wikipedia.org/wiki/Function_(mathematics)
