Explore the fascinating history and importance of the Hindu-Arabic number system in this 42-minute educational video. Begin with a kindergarten-level approach to numbers, progress through a simplified Roman numeral system, and ultimately delve into the revolutionary Hindu-Arabic system. Learn the names and symbols for numbers 1-9, discover the crucial role of zero, and understand the functionality of the abacus as the world's earliest calculator. Gain insights into the decimal system and how it forms the foundation of modern mathematics. Perfect for those interested in the historical development of mathematical concepts and their practical applications.