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1. For **Windows** or **Linux** - Press **Ctrl+D**

2. For **MacOS** - Press **Cmd+D**

3. For **iPhone (Safari)** - **Touch and hold**, then tap **Add Bookmark**

4. For **Google Chrome** - Press **3 dots** on top right, then press the **star sign**

1
### Step 1

Enter your integral problem in the input field.

2
### Step 2

Press Enter on the keyboard or on the arrow to the right of the input field.

3
### Step 3

In the pop-up window, select “Find the Double Integral”. You can also use the search.

The calculator will help you calculate the double integral online. The double integral is a generalization of the notion of a definite integral to the two-dimensional case. The double integral of a function f (x, y) over a domain D is the limit of the integral sum lim S (d → 0), if it exists. In the geometric sense, the double integral is numerically equal to the volume of a vertical cylindrical body built on the base and bounded from above by the corresponding piece of surface.

To obtain the solution of double integrals, you need to enter the necessary input data in the appropriate cells. Enter the upper and lower limits for the region of integration and the integrand. If there is no integrand function, then enter 1.