👉 Unicus is a term used in mathematics to describe an object that has no two equal parts, and it can also refer to a specific mathematical concept or equation. In this context, "uncinus" refers to an object that has no two equal parts. It is often used in the field of calculus to represent a function whose derivative is undefined at a point where the function would have a hole (a sharp corner), as well as other mathematical concepts related to limits and derivatives.