Linked from
The 21 pages that link to Fundamental theorem of calculus, each with the reason it gives.
Riemann integralRelated: It provides a practical way to evaluate many Riemann integrals.
IntegralRelated: It explains why evaluating an antiderivative can compute a definite integral.
AntiderivativeRelated: It turns an antiderivative into a method for evaluating accumulated change.
Indefinite integralRelated: It explains how antiderivatives evaluate definite integrals.
Leibniz integral ruleRelated: It supplies the endpoint terms when a limit of integration moves.