The applet plots consecutive terms of a user-defined sequence or a series of functions. Those can be, in particlular, Taylor series and Fourier series. A piecewise defined limit function can also be entered and plotted. Many demo examples are provided.
Click the screen shot below to open the applet in a new window:
The applet uses a custom math expression parser with an add-on for parsing partial sums of a series. It also requires a custom parser to plot functions that are piecewise defined.