Online Derivative Calculator

Solve derivatives with Wolfram|Alpha

More than just an online derivative solver

Wolfram|Alpha is a great calculator for first, second and third derivatives; derivatives at a point; and partial derivatives. Learn what derivatives are and how Wolfram|Alpha calculates them.

Derivative results with plots, alternate forms and answers

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Enter your queries using plain English. To avoid ambiguous queries, make sure to use parentheses where necessary. Here are some examples illustrating how to ask for a derivative.

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Step-by-step solution for a derivative with informative hints and intermediate steps

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What are derivatives?

The derivative is an important tool in calculus that represents an infinitesimal change in a function with respect to one of its variables.

Given a function , there are many ways to denote the derivative of with respect to . The most common ways are and . When a derivative is taken times, the notation or is used. These are called higher-order derivatives. Note for second-order derivatives, the notation is often used.

At a point , the derivative is defined to be . This limit is not guaranteed to exist, but if it does, is said to be differentiable at . Geometrically speaking, is the slope of the tangent line of at .

As an example, if , then and then we can compute : . The derivative is a powerful tool with many applications. For example, it is used to find local/global extrema, find inflection points, solve optimization problems and describe the motion of objects.

How Wolfram|Alpha calculates derivatives

Wolfram|Alpha calls Wolfram Languages's D function, which uses a table of identities much larger than one would find in a standard calculus textbook. It uses well-known rules such as the linearity of the derivative, product rule, power rule, chain rule and so on. Additionally, D uses lesser-known rules to calculate the derivative of a wide array of special functions. For higher-order derivatives, certain rules, like the general Leibniz product rule, can speed up calculations.