# Metadata Source URL:: https://en.wikipedia.org/wiki/Riemann_sum Topics:: #mathematic, #calculus --- # Riemann sum - Wikipedia ## Highlights > [!quote]+ Updated on 061222_085426 > > In mathematics, a Riemann sum is a certain kind of approximation of an integral by a finite sum. It is named after nineteenth century German mathematician Bernhard Riemann. One very common application is approximating the area of functions or lines on a graph, but also the length of curves and other approximations.