The package FourierSeries includes several utilities which are useful when dealing with Fourier series: -symbolic computation of the coefficients -successfully tested against Maple 10 and 11 -various graphic options, e.g. animations.
Prof. Lenin Araujo Castillo
Dr. Aleksey Shirko
Dr. Robert Lopez
Harald Kammerer
György Hegedûs
Prof. Carl Madigan
Yumi Mizuno
While there is a good chance this app will work fine, note that it was created in Maple 6 and may not work correctly in more recent versions.