👉 In calculus, "sulculus" is a mathematical concept that refers to the study of limits and continuity. It is closely related to the idea of "solving problems," especially in areas such as physics, engineering, and economics. A basic example of this concept could be the calculation of the derivative of a function at a particular point, which involves finding an expression for the slope of the tangent line to the graph of the function at that point. The term "sulculus" is also