// Square Wave for ImageJ
// Jean-Christophe Taveau
// http://crazybiocomputing.blogspot.com

w=200;
h=80;
newImage("FourierSeries", "32-bit Black", w, h, 1);

run("Macro...", "code=[if (y%2==1)  v= 4/PI * sin(y*x/w*8*PI) / y]");

exit();