Empire of the Sum: The Rise and Reign of the Pocket Calculator

Empire of the Sum: The Hidden History of 20th Century Mathematics, Science, and Technology is a groundbreaking book that reveals the fascinating story of how the pocket calculator changed our world.

From ancient times to the moon landing, this book takes readers on an unforgettable journey through the history of mathematics, science, and technology.

With engaging storytelling and vivid details, author Keith Houston sheds light on the unsung heroes who brought the pocket calculator to life, including mathematicians, designers, and inventors from around the world.

This book is a must-read for anyone interested in the history of science, technology, and mathematics, as well as those who want to understand how the pocket calculator has impacted our lives.