---
tag: 0WZCHE1ZF9
kind: concept
name: Iterated integral
aliases: [repeated-integral]
msc: [26B15]
uses: [0JPCHTXWG0]
sources:
  - url: https://en.wikipedia.org/wiki/Iterated_integral
    locator: lead section
same_as:
  wikidata: Q6094400
  wikipedia: Iterated integral
---

## Summary

An iterated integral integrates a function of several variables with respect to one variable at a time. At each step, it keeps the other variables fixed.
It reduces a multiple integral to a sequence of integrals in one variable.