In mathematics, a series is, roughly speaking, a description of the operation of adding infinitely many quantities, one after the other, to a given starting quantity.
Seri, bir dizi olmak üzere s n = a 0 + a 1 + … + a n + … {\textstyle s_{n}=a_{0}+a_{1}+\ldots +a_{n}+\ldots } toplamı.