Integral Symbol

The notation for an integral in mathematics is a slanted vertical line with a start and end value that describe the range of the integral. This is followed by the function being integrated and the variable with respect to which the integral is being evaluated.

Usage

An integral can be geometrically interpretted as finding the area under the curve of a function between the two points a and b.

Example

The integral of the function f(x) = x from 3 to 7 is 20.