A series is the sum of the terms of an infinite sequence.
Summation notation
This video is a short video to explain the summation notation, symbolized by the greek letter capital Sigma.
Preview Taylor polynomials
This university preview discusses Taylor Polynomials and the way these are used by calculators.
Taylor polynomials
Use Taylor polynomials to approximate the value of a function at a point by another, simple function. You can get a better approximation using higher order Taylor polynomial.
Preview Fourier Series
This university preview discusses Fourier Series taking two musical instruments as an example.