👉 Calculus is a branch of mathematics that deals with the study of continuous change, including rates of change, slopes of curves and surfaces, areas under curves, and volumes of solids. It uses limits to analyze functions, derivatives, integrals, and infinite series. In calculus, a "calculus" refers to a set of mathematical concepts that involve the use of limits, derivatives, integrals, and infinite series to solve problems involving rates of change, slopes of curves, areas under curves, volumes