👉 In mathematics, a GADHELIC (or GADHELIC function) is a special kind of function that can be expressed as the difference between two polynomials. The term "GADHELIC" comes from the Greek word for "big", which is often used to describe large or complex numbers. A GADHELIC function, also known as an Abelian Function or a Big-Abelian Function, is defined by the following polynomial equation: f(x