integral calculus

noun

1. the branch of mathematics that deals with integrals, especially the methods of ascertaining indefinite integrals and applying them to the solution of differential equations and the determining of areas, volumes, and lengths.

integral calculus

noun

1. the branch of calculus concerned with the determination of integrals and their application to the solution of differential equations, the determination of areas and volumes, etc Compare differential calculus

integral calculus

1. The study of integration and its uses, such as in calculating areas bounded by curves, volumes bounded by surfaces, and solutions to differential equations.
2. Compare calculus of variations

Word History and Origins

Origin of integral calculus¹

First recorded in 1720–30

Example Sentences

Calculating the area of more complicated subsets of the plane sometimes requires other tools, such as the integral calculus taught in school.

From Scientific American

It’s interesting to note that Leibniz was also a mathematician and physicist; he invented differential and integral calculus at about the same time that Isaac Newton did.

From Scientific American

“I did high mathematics, differential calculus, integral calculus. All that stuff. All kinds of special statistical processing. And now I’m sitting here and you people are treating me like I’m an idiot.”

From Washington Post

He occupied himself by inventing the differential and integral calculus, making fundamental discoveries on the nature of light and laying the foundation for the theory of universal gravitation.

From Literature

But compared with the integral calculus involved in a patent box, the research credit is third-grade arithmetic.

From Forbes