Толковый словарь английского языка - simpson's rule

noun Etymology: Thomas Simpson died 1761 English mathematician Date: circa 1875 a method for approximating the area under a curve over a given interval that involves partitioning the interval by an odd number n + 1 of equally spaced ordinates and adding the areas of the n/2 figures formed by pairs of successive odd-numbered ordinates and the parabolas which they determine with their included even-numbered ordinates