Continue adding up sine waves until you get an almost perfect square wave.

Try changing the number of terms that make up the sum. Move the mouse over the sines/cosines to see each frequency's contribution to the sum.

Try also changing the playing frequency (with your computer's sound ON)

Go to this site: http://www.falstad.com/fourier/e-square.html

Try changing the number of terms that make up the sum. Move the mouse over the sines/cosines to see each frequency's contribution to the sum.

Try also changing the playing frequency (with your computer's sound ON)

Go to this site: http://www.falstad.com/fourier/e-square.html

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