"Mathematical Classics" refers to foundational texts in mathematics that have significantly influenced the field. These works often introduce key concepts, theories, and methods that are still relevant today. Examples include Euclid's Elements, which lays the groundwork for geometry, and Isaac Newton's Principia Mathematica, which explores calculus and physics. These classics serve as essential resources for students and scholars alike, providing insights into the development of mathematical thought. They often reflect the historical context in which they were written, showcasing the evolution of ideas and techniques that have shaped modern mathematics.