# Double Integral Calculator with steps: rectangular and polar coordinates

Multiple Integration | Double, Triple Integration | Scientific Calculator Casio fx-991ms
Multiple Integration | Double, Triple Integration | Scientific Calculator Casio fx-991ms

 ∫ ∫ Use inf for +∞ and -inf for -∞
 Coordinates Decimals

The double integral calculator that we present here is an excellent tool to solve all kinds of double integrals in rectangular or polar coordinates.

 ∫ ∫ Use inf for +∞ and -inf for -∞
 Coordinates Decimals

As you can see, the calculator has a very intuitive interface which makes it easy to use. To use it, you just have to follow the following steps:

For examples of double integrals you can press the “Examples” button.

 Valid functions and symbols Description sqrt() Square root ln() Natural logarithm log() Logarithm base 10 ^ Exponents abs() Absolute value sin(), cos(), tan(), csc(), sec(), cot() Basic trigonometric functions asin(), acos(), atan(), acsc(), asec(), acot() Inverse trigonometric functions sinh(), cosh(), tanh(), csch(), sech(), coth() Hyperbolic functions asinh(), acosh(), atanh(), acsch(), asech(), acoth() Inverse hyperbolic functions pi PI number (π = 3.14159…) e Neper number (e= 2.71828…) i To indicate the imaginary component of a complex number. inf ∞

Double integrals are all those integrals of functions in two variables over a rectangular region R2. A double integral represents the volume enclosed between a rectangular region R and a surface z=f(x,y) if f(x,y)>0. The double integral of a function of two variables, say f(x, y) over a rectangular region is represented by the following notation:

 ⌠⌡ d c
 ⌠⌡ b a

Double integrals are commonly used in physics, engineering, and other fields to solve problems involving the distribution of quantities over a region in two-dimensional space. For example, a double integral can be used to calculate the mass of an object by integrating its density over the volume of the object.

Consequently, if f(x,y)≥0 at almost all points in R,

and if f(x,y)≤0 at almost all points of R,

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