The [[Partial Derivative]] of a function $f$ that has more than one inputs is the [[Derivative]] of $f$ in respect to one of those variables. For a [[Function]] with ony one input, the [[Partial Derivative]] is the same as the [[Derivative]]. The [[Partial Derivative]] of a [[Function]] $f$ in respect to one of its inputs $x$ is denoted as one of the following: $\huge \pderiv{f}{x}= \partial_{x}\set{f} = \partial_{x} f $