The Mandelbrot Set

Infinite complexity from z² + c - zoom forever into mathematical beauty

Infinite Complexity from z² + c

The Mandelbrot set is perhaps the most famous mathematical object in the world. Despite being defined by the simplest possible iteration - just squaring and adding - it contains infinite complexity at every scale.

Zoom in anywhere on the boundary, and you'll discover new patterns, spirals, and even tiny copies of the whole set nested infinitely deep.

Explore the Mandelbrot Set

This GPU-accelerated explorer renders the Mandelbrot set in real-time. Drag to pan, scroll to zoom, and discover infinite detail:

Center: (-0.500000, 0.000000)Zoom: 200x

Drag to pan, scroll to zoom. GPU-accelerated rendering allows smooth exploration of infinite fractal detail.

The Mathematics

For each point c in the complex plane, we iterate:

zn+1 = zn² + c

Starting with z0 = 0. The Mandelbrot set is all points c where this sequence stays bounded (doesn't escape to infinity).

Inside the Set (Black)

Points where the iteration never escapes. The sequence stays bounded forever, oscillating or converging.

Outside the Set (Colored)

Points where the iteration escapes to infinity. Color indicates how quickly it escapes - smooth coloring creates the beautiful gradients.

Self-Similarity and Mini Mandelbrots

One of the most remarkable features is self-similarity. Zoom into the boundary and you'll find:

  • Mini Mandelbrots: Tiny copies of the entire set, connected by intricate filaments
  • Spirals: Logarithmic spirals appearing everywhere
  • Seahorses and Elephants: Named regions with distinctive patterns
  • Infinite detail: No matter how deep you zoom, there's always more structure

Try the "Famous Locations" buttons above to jump to some beautiful spots!

Why Is Such a Simple Formula So Complex?

The Mandelbrot set lies at the boundary between order and chaos. Points just inside behave very differently from points just outside - this sensitive dependence creates the intricate boundary.

The boundary has infinite length but encloses finite area. Its fractal dimension is exactly 2, meaning it's "as complicated as possible" while still being a 1D curve. This makes it a truly remarkable mathematical object.