How did isaac newton's adult life include math?

Isaac newton's adult life was deeply intertwined with mathematics, as he made significant contributions to the field, particularly in calculus, which he developed concurrently with Gottfried Wilhelm Leibniz. His work in mathematics was foundational for his later theories in physics, including his laws of motion and universal gravitation. Newton also wrote mathematical texts, such as "Mathematical Principles of Natural Philosophy," where he applied mathematical principles to explain physical phenomena. Additionally, he engaged in mathematical research throughout his life, addressing problems in optics, mechanics, and astronomy.