This example visualizes the Mandelbrot set as a fixed ASCII-art plot in a terminal, using Ruby’s `Complex` class to iterate the function `z*z + c` fifty times per point. The code samples a 2D grid over the complex plane—x from -2.0 to 0.5 and y from 1.0 to -1.0—and prints an asterisk when the final magnitude is less than 2, otherwise a space. It shows a symmetric, high-level fractal silhouette rendered entirely with text characters, with no graphical libraries involved. The rendering approach relies on nested `step` loops and `Array.new(50,a).inject` to perform the iteration, producing the classic bulb-and-spiral structure directly in the console output.