Fractal
A fractal was a repeating geometric pattern with no end. This pattern could occur in nature or in mathematics, where it was the same at all levels of scale. 

As part of a diagnostics program run on The Doctor in 2373, he was asked to focus on an animation of fractal patterns. ()

In 2376, on the Qomar homeworld, Tincoo was inspired by The Doctor into creating a musical composition based on two fractals. ()

See also 
 Fractal algorithm
 Fractal calculus
 Fractal coefficient
 Fractal encryption code
 Fractal neuronic cloning
 Fractal sculpture
 Fractal particle motion

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Mathematics
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