Models may simulate theoretical fractals or natural phenomena with fractal features. Images of fractals can be created by fractal generating programs. Fractal-generating software is any type of graphics software that generates images of fractals. Current research of Fractal Expressionism focuses on human response to viewing fractals. Patterns relating to fractals and fractal systems may also be observed in certain variations. Fractal Grower is software written in Java for generating Lindenmayer Substitution Fractals (L-systems). Iterated functions and flows occur naturally in the study of fractals and dynamical systems. Iterated functions are of interest in the study of fractals and dynamical systems. He has designed some fractals and tessellations inspired by the continents. The paper is one of Mandelbrot's first publications on the topic of fractals. Logarithms occur in definitions of the dimension of fractals. However, it also occurs in the study of fractals and dynamical systems. Like fractals, it has no defined Gaussian curvature. Images are generated for both simulation (modeling) and random fractals for art. Kalles Fraktaler focuses on zooming into fractals.