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The integral function calculates online the integral of a function between two values.

Integral online

This function is an **integral calculator** is able to
**calculate integrals online** of the composition of common functions,
using integral properties, the different mechanisms of integration and calculation online.
The calculator precise calculation steps used to arrive at the result.
If the calculator can not determine the calculation result in exact form, an approximation of the integral
is returned.

The **integral** calculator allows the **calculation of the integral online**
of any polynomial.

For example, to **calculate** the **integral** of the following polynomial `x^3+3*x+1` entre 0 et 1,
you must enter integral(x^3+3*x+1;0;1;x),
after the calculation result `11/4` is returned.

The **integral calculator** is able to **calculate** **online**
the **integral** of any usual function : sin, cos, tan, ln, exp, sh, th, sqrt (square root), and many others ...

Thus, to obtain the integral of the cosine function between 0 et `pi/2`, just type integral(cos(x);0;pi/2;x) , the result is returned after calculation.

The calculator is able to **calculate the approximate integral**. When the computer can not calculate the exact integral,
it returns an approximate value of the integral. To determine the **approximate value of an integral**,
the calculator uses the trapezoidal rule.

The integral function calculates online the integral of a function between two values.

See also :

- Antiderivative calculator : antiderivative. The antiderivative calculator allows to calculate a primitive online with detail and calculation steps.
- Derivative calculator : derivative. Derivative calculator allows steps by steps calculation of the derivative of a function with respect to a variable.
- Integral calculator : integral. The integral function calculates online the integral of a function between two values.
- Even or odd function calculator : is_odd_or_even_function. Calculator for determining whether a function is an even function and an odd function.
- Limit of a function : limit. The limit calculator allows the calculation of the limit of a function with the detail and the calculation steps.
- Calculate the Taylor expansion of a function : taylor_series_expansion. The taylor series calculator allows to calculate the Taylor expansion of a function.