[[Image:Fractal.jpg|The delicate tracery of a computer-generated fractal|right|thumb|250px]]
[[Image:Fractal.jpg|The delicate tracery of a computer-generated fractal|right|thumb|250px]]
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A '''fractal''' is a mathematically generated [[design]] whose details resemble the original fractal. This property is called self-similarity. A mathematical fractal is produced with equations that undergo iteration or are recursive in form.
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A '''fractal''' is a mathematically generated [[design]] whose details resemble the original fractal, or possess self-similarity. A fractal is produced with mathematical equations that undergo iteration or are recursive in form. The two leading computer programs for creating fractals are UltraFractal and Apophysis.
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The two leading computer programs for creating fractals are UltraFractal and Apophysis.
[[Image:SsFb.gif|A computer generated image of a [[fern]] frond, an example of fractals in nature.|left|thumb]]
[[Image:SsFb.gif|A computer generated image of a [[fern]] frond, an example of fractals in nature.|left|thumb]]