# Difference between revisions of "Derivative Command" ##### Command Categories (All commands)

Derivative[ <Function> ]
Returns the derivative of the function with respect to the main variable.
Derivative[ <Function>, <Number n> ]
Returns the nth derivative of the function with respect to the main variable.
Derivative[ <Function>, <Variable> ]
Returns the partial derivative of the function with respect to the variable.
Example:
`Derivative[x³+3x y, x]` yields 3x²+3y.
Derivative[ <Function>, <Variable>, <Number n> ]
Returns the nth partial derivative of the function with respect to the variable.
Example:
`Derivative[x³+3x y, x, 2]` yields 6x.
Derivative[ <Curve> ]
Returns the derivative of the curve.
Note: It only works for parametric curves.
Derivative[ <Curve>, <Number n> ]
Returns the nth derivative of the curve.
Note: It only works for parametric curves.
Note: You can use `f'(x)` instead of `Derivative[f]`, or `f''(x)` instead of `Derivative[f, 2]`, and so on.

## CAS Syntax

In CAS View only following syntax is supported:

Derivative[ <Expression f> ]
Returns derivative of f with respect to the main variable.
Example:
`Derivative[x^2]` yields 2 x.
Example:
`Derivative[t^3]` yields 3 t2.
Derivative[ <Expression f>, <Variable a> ]
Returns derivative of f with respect to a.
Example:
`Derivative[a x^3, a]` yields x3.
Derivative[ <Expression f>, <Variable a>, <Number n> ]
Returns the nth derivative of f with respect to a.
Example:
`Derivative[a x^3, x, 2]` yields 6 a x.
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