👉 A keratoncus is a type of mathematical function that is defined as follows: f(x) = x^2 + 3x - 1 The term "keratoncus" refers to this specific function, which was introduced by mathematician John von Neumann in the 1950s. The name comes from the Greek word "keratos," meaning "sharp," and "tonus," meaning "force." The function f(x) = x^2 + 3
