Linked from
The 22 pages that link to Definite integral, each with the reason it gives.
Numerical integrationNarrower topic: Numerical integration seeks an approximation to this quantity.
Riemann sumNarrower topic: Riemann sums provide the limiting construction of this quantity.
Trapezoidal ruleNarrower topic: The trapezoidal rule estimates this accumulated quantity.
Limits of integrationNarrower topic: Its endpoints are the limits of integration.