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.
Origin of integral calculus
First recorded in 1720–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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, etcCompare differential calculus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The study of integration and its uses, such as in calculating areas bounded by curves, volumes bounded by surfaces, and solutions to differential equations. Compare calculus of variations differential calculus.
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