<app class="Mandel" (the name of the class) src="http://www.netgen.com/~mkgray/java" (where to find the class) iterations=20 (the number of iterations for orbits) realcenter=0 (the real coordinate of the center in the complex plane) imagcenter=0 (the imaginary coordinate of the center in the complex plane) scale=.01 (the scale per pixel) size=200 (the size of the resultant image) >