The magic of math: Solving for x and Figuring Out Why

Why was it not possible earlier to learn about numbers, algebra and geometry in such a fascinating way? Why it was impossible to immediately explain why we need all these parabolas, integrals and probabilities. It turns out that mathematics surrounds us. She is everywhere! A fountain of water flows along a parabola, and engineers use the properties of the parabola to calculate the flight path of a...