Nonelementary Integrals are traditioanlly known as Nonelementary Functions but it doesn't given clear explanation that what was the reason behind it to call such function as Nonelementary Functions, whereas the name Nonelementary Integrals are the clear explanation that it has been originated from integration and there must be relation between elementary function and integration, when we call an integral nonelementary. In fact nonelementary integrals...