Before calculus, mathematicians struggled to describe motion and change precisely. How do you calculate something that’s constantly changing—like velocity at a single instant?

Mathematicians Isaac Newton and Gottfried Wilhelm Leibniz independently developed calculus to solve this problem.

Calculus introduced the idea of limits, derivatives, and integrals—tools that allow us to break continuous change into precise, measurable parts.

Without calculus, we wouldn’t have modern physics, engineering, or even accurate predictions of planetary motion.