Integral - Wikipedia, the free encyclopedia
1 History 1.1 Pre-calculus integration 1.2 Newton and Leibniz 1.3 Formalization 1.4 Historical notation 2 Terminology and notation 2.1 Standard 2.2 Variants 3 Interpretations of the integral 4 Formal definitions 4.1 Riemann integral 4.2 Lebesgue integral ...