Math

Imaginary numbers, defined as the square root of -1, form the foundation of complex numbers and are crucial in solving equations, understanding quantum mechanics, and analyzing signals in engineering and physics.

Fractals are infinitely repeating patterns found in nature, art, and math, made famous by Mandelbrot and used today in science, design, and technology.

The concept of a function evolved from ancient geometry to a central tool in modern science and technology, thanks to thinkers like Leibniz, Euler, and Dirichlet.