Double Integral Calculator

Double Integral Calculator is a free online tool that displays the value for the double integral function. BYJU’S online double integral calculator tool makes the calculation faster, and it displays the double integral value in a fraction of seconds.

How to Use the Double Integral Calculator?

The procedure to use the double integral calculator is as follows:
Step 1: Enter the function and the limits in the input field
Step 2: Now click the button “Calculate” to get the value
Step 3: Finally, the result of the double integral will be displayed in the new window

What is Meant by Double Integral?

In calculus, the double integral of a function f(x, y) over the rectangular region R in the xy plane is defined by

\(\begin{array}{l}\iint_{R}f(x, y)dA = \lim_{m,n \rightarrow \infty }\sum_{i=1}^{m}\sum_{j=1}^{n}f(x _{ij}, y_{ij})\bigtriangleup A\end{array} \)
The double integral is used to evaluate the area of a region bounded by the curve of the function. It can be also used to calculate the volume under the surface. Similarly, the average value of a function of two variables over the rectangular region can be determined using the double integral.


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