Another inaccuracy: the sound example "sine, saw, triangle, square" only correctly gives an example of a sine wave. The other three sounds are neither saws, tri

Another inaccuracy: the sound example "sine, saw, triangle, square" only correctly gives an example of a sine wave. The other three sounds are neither saws, triangles, or squares, but these weird irregular waveforms, which sound completely different. Open it up in Audacity and see for yourself.