From early humans carving notches in bones to the discovery of quantum mechanics and chaos theory - mathematics has certainly come a long way. Fully illustrated and augmented with helpful timelines and diagrams, Problem Solved! explores some of history's greatest mathematical breakthroughs. Covering topics from Ancient Egyptian geometry to chaos theory, readers will learn about Euclid of Alexandria, Brahmagupta, Sir Isaac Newton, Alan Turing and more. Whether solving practical or abstract problems, these mathematicians have each sought to improve our lives, and have bought us to the world we know today. With each concept explained in easy-to-understand language, there's no need to be a calculus genius to marvel at these incredible feats of problem-solving brilliance.