Origins of number and geometry. Egypt and Mesopotamia. Ionia and Pithagoreans. The Heroic Age. Paradoxes of Zeno. The Age of Plato and Aristotle. Euclid of Alexandria. Elements. Archimedes. Apollonius of Perga. The Conics. The Arithmetical of Diophantus. China and India. Ramanujan. Algebra and arabs. Europe in the Middle Ages. Solution of a qubic equation.