Square wave


### [Fourier Series](https://texonom.com/fourier-series-034521e2dae346b8bf6b9095a602c9a7) 
$$A\Sigma_{k=1}^\infty\frac{1}{k}sin(2\pi kx)$$
### Template Gallery
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|[Boxcar function](https://texonom.com/boxcar-function-fdf2d3b368f540bbbdaab928819f8da4)|





> [Square wave](https://en.wikipedia.org/wiki/Square_wave)












